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Red Sea Seawater Refractometer

Asin: B00LGUP210   |   Model: RS7945   |   PartNumber: RS7945   |   Ean: 0730773120185   |   UPC: 730773120185


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Calibrated For Seawater (Nsw) At 25Oc/77Of (Most Standard Refractometers Are Calibrated At 15Oc/59Of ).
Specifically Designed For The Ionic Content Of Seawater (Nsw).

Features

  • Directly reads the absolute salinity of seawater at 25 c/77 0f ( no need for seawater or temperature compensation factors)
  • Specifically designed for the ionic content of seawater (NSW)
  • Calibrated for seawater (NSW) at 25oc/77of (most standard refractometers are calibrated at 15oc/59of )
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Brand: Red Sea   |   Manufacturer: Red Sea

Dimensions: 8.00 x 3.00 x 3.00 inches   |   Weight: 1.00 Pounds

Amazon Price: $74.99 | as of 04/27/2024 (1:59am pst) *DETAILS
Availability: In Stock

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Similar To Red Sea Seawater Refractometer

  #1

Salinity Refractometer for Seawater and Marine Fishkeeping Aquarium 0-100 PPT with Automatic Temperature Compensation

Asin: B018LRO1SU   |   Model: WL0020-ATC   |   PartNumber: WL0020-ATC   |   Ean: 0710824285742   |   UPC: 710824285742

Features Automatic Temperature Compensation..
The Main Part Is Made Of Chromium, It's Very Durable..
Comes With Hard Case, Dropper, Screwdriver, User Manual And Cleaning Cloth..
Measures On 2 Scales, Specific Gravity (D 20/20) And Parts Per Thousand..

Features

  • Measure salt water or salinity of water, ideal for aquariums and marine monitoring.
  • Measures on 2 scales, Specific Gravity (D 20/20) and parts per thousand.
  • Features automatic temperature compensation.
  • Comes with hard case, dropper, screwdriver, user manual and cleaning cloth.
  • The main part is made of chromium, it's very durable.
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Brand: Agriculture Solutions   |   Manufacturer: Xin Da Cheng

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  #2

Digital Salinity Tester for Salt Water - Waterproof IP67 Salinity Meter with ATC Large Range 0-200ppt Saltwater Tester for Seawater, Aquariums, Marine Monitoring, and Koi Fish Pond by ORAPXI

Asin: B08GC7JCV3   |   Model: LD-154   |   PartNumber: LD-154   |   Ean: 0736139474435   |   UPC: 736139474435

Backlit Design: There Is No Need To Worry About Seeing The Displayed Value If The Light Is Insufficient. Orapxi Salinity Meter Features A Green Backlit Lcd To Help You See The Measurement Results Clearly In Any Situation..
After-Sales: 30-Day Free Return/Replacement And We Promise Respond Your Any Questions About The Product Within 12 Hours..
4-In-1 Salinity Tester: The Multi-Parameter Tester Can Test Salinity, Tds, Ec And Temperature In An Accurate, Quick And Reliable Manner For Most Regular Water Solutions' Testing..
Wide Applications: There Are Various Purposes For The Salinity Tester. This Instrument Can Not Only Detect The Salt Content Of Edible Salt, Salt Water Pool And Koi Fish Pond, But Also The Salinity Of Seawater, Marine, Salt Water Fish Tank Salt Level Testing..

Features

  • Salinity Range: 0~9999ppm/10~200ppt or 0.0-25%, ORAPXI salinity tester has an automatic temperature compensation function(32 F~140 F), which can decrease the error caused by the change of liquid temperature.
  • Wide applications: There are various purposes for the salinity tester. This instrument can not only detect the salt content of edible salt, salt water pool and koi fish pond, but also the salinity of seawater, marine, salt water fish tank salt level testing.
  • Backlit design: There is no need to worry about seeing the displayed value if the light is insufficient. ORAPXI salinity meter features a green backlit LCD to help you see the measurement results clearly in any situation.
  • 4-in-1 salinity tester: The multi-parameter Tester can test Salinity, TDS, EC and Temperature in an accurate, quick and reliable manner for most regular water solutions' testing.
  • After-sales: 30-day free return/replacement and we promise respond your any questions about the product within 12 hours.
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Brand: ORAPXI   |   Manufacturer: ORAPXI

Dimensions: 0.01 x 7.20 x 0.01 Inches

Amazon Price: $28.99 | as of 04/27/2024 (1:59am pst) *DETAILS

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  #3

Hallocool Salinity Refractometer for Seawater Marine Fishkeeping Aquarium 0-100PPT & 1.000-1.070 Salinity Hydrometer Salinity Tester with with Automatic Temperature Compensation (ATC)

Asin: B08TJ28XC1   |   Ean: 0730807006652   |   UPC: 730807006652

Atc Function - Saltwater Refractometer With Automatic Temperature Compensation (Atc) Function, Allow You To Obtain The Accurate Result Faster And Easier.
Durable Material: The Optic Salinity Tester Is Made Of Aluminum And Abs Rubber, Anti-Rust, Non-Staining And Resistant Abrasion. Portable Refractometer Comes With Plastic Case, Mini Screwdriver,A Dropper And A Cleaning Cloth.
Easy To Use - Put 2-3 Drops Of Sample On The Refracotmter’S Prism, Towards Light, Read The Accurate Readings Through The Optics Eyepiece Directly.
Widely Use - Salinity Refractometer Measures Saltwater, Salinity Of Water Or Seawater, Ideal For Aquariums, Marine Monitoring, Fish-Keeping, And Saltwater Pools.

Features

  • MEASURES ON 2 SCALES - Aquarium Refractometer features specific gravity (D20/20) 1.000-1.070 and parts per thousand 0~100 ( 1 =1 PPT=1000PPM), allow to get two results in different units by one test
  • WIDELY USE - Salinity Refractometer measures saltwater, salinity of water or seawater, ideal for aquariums, marine monitoring, fish-keeping, and saltwater pools
  • ATC FUNCTION - Saltwater refractometer with automatic temperature compensation (ATC) function, allow you to obtain the accurate result faster and easier
  • EASY TO USE - Put 2-3 drops of sample on the refracotmter s prism, towards light, read the accurate readings through the optics eyepiece directly
  • DURABLE MATERIAL: The optic salinity tester is made of aluminum and ABS rubber, anti-rust, non-staining and resistant abrasion. Portable Refractometer comes with plastic case, mini screwdriver,a dropper and a cleaning cloth
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Brand: Hallocool   |   Manufacturer: Hallocool

Amazon Price: $15.99 | as of 04/27/2024 (1:59am pst) *DETAILS

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  #4

Continuum Reagents Refractometer Calibration Standard Seawater Reference for Calibration of Density Measuring Equipment, 60 ml

Asin: B077TQWN5X   |   Model: QRES60   |   PartNumber: QRES60   |   Ean: 0741360308886   |   UPC: 741360308886

1.0264 Specific Gravity.
53 Us/Cm At 25 Deg C.
Age Range Description: All Life Stages.
1.3394 Refractive Index.
35 Ppt Salinity.

Features

  • Designed to provide an accurate reference for the calibration of seawater refractometers, hydrometers and other density measuring equipment
  • 35 ppt Salinity
  • 1.0264 Specific Gravity
  • 1.3394 Refractive Index
  • 53 uS/cm at 25 deg c
  • Age range description: All Life Stages
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Brand: Continuum Aquatics   |   Manufacturer: Brightwell Aquatics

Dimensions: 4.25 x 1.38 x 1.38 inches   |   Weight: 0.17 pounds

Amazon Price: $6.88 | as of 04/27/2024 (1:59am pst) *DETAILS

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  #5

Milwaukee MA887 Digital Salinity Refractometer with Automatic Temperature Compensation, Yellow LED, 0 to 50 PSU, +/-2 PSU Accuracy, 1 PSU Resolution (color may vary)

Asin: B007Z4ITWU   |   Model: MA887   |   PartNumber: MA887   |   Ean: 0810666006007   |   UPC: 810666006007

Yellow Led Display.

Features

Brand: Milwaukee   |   Manufacturer: Milwaukee Instruments

Dimensions: 3.00 x 8.00 x 5.00 inches   |   Weight: 1.50 pounds

Amazon Price: $113.94 | as of 04/27/2024 (1:59am pst) *DETAILS
Used Price: $95.14

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  #6

AUTOUTLET Salinity Refractometer Saltwater Aquarium for Seawater, Pool, Tank, Marine, Fishkeeping, 0-100PPT & 1.000-1.070 Salinity Tester with ATC Function Salinity Hydrometer Kit

Asin: B07CB5KDYL   |   Model: EFU007c   |   PartNumber: EFU007c   |   Ean: 0713289306953   |   UPC: 713289306953

【Measurement Range】Density Of 1.0-1.070 With Min Scale Of 0.001. Concentration Of 0-100‰, With Min Scale Of 1‰ (1‰=1Ppt=1000Ppm, Ppt Means “Parts Per Thousand”, Ppm Means “Parts Per Million”).
【Solid And Lightweight】Salinity Meter Is Made Of Durable Aluminum, Which Is Non-Staining, Non-Corrosive And Rustless. Also, It's Compact In Size With Rubberized Grip Handle, Very Easy To Carry..
【With Atc Function】Atc Compensation Range (I.E. Built-In Automatic Temperature Compensation System) From 10℃ To 30℃..
【Measures On 2 Scales】This Saltwater Hydrometer Measures On Dual Scales: Specific Gravity And Salinity. Ideal For Aquariums, Marine Monitoring, Agriculture, Gardening And Educational Purposes..

Features

  • AUTOUTLET Salinity Refractometer This salinity tester is used to measure salinity of brine/seawater, monitor and control the concentration of saltwater. Ideal for aquariums and marine applications.
  • Measures on 2 Scales This saltwater hydrometer measures on dual scales: specific gravity and salinity. Ideal for aquariums, marine monitoring, agriculture, gardening and educational purposes.
  • Measurement Range Density of 1.0-1.070 with min scale of 0.001. Concentration of 0-100 , with min scale of 1 (1 =1PPT=1000PPM, PPT means parts per thousand , PPM means parts per million )
  • With ATC Function ATC compensation Range (i.e. Built-in Automatic Temperature Compensation System) from 10 to 30 .
  • Solid and Lightweight Salinity meter is made of durable aluminum, which is non-staining, non-corrosive and rustless. Also, it's compact in size with rubberized grip handle, very easy to carry.
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Brand: AUTOUTLET   |   Manufacturer: AUTOUTLET

Dimensions: 2.36 x 7.87 x 3.54 inches   |   Weight: 0.53 Pounds

Amazon Price: $16.99 | as of 04/27/2024 (1:59am pst) *DETAILS

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  #7

Aquarium Salinity Refractometer with ATC Function,Saltwater Test Kit for Seawater, Pool, Aquarium, Fish Tank.Dual Scale: Specific Gravity & Salt Percent

Asin: B01L2OX9KA   |   Model: 8541957181   |   PartNumber: 8541957181   |   Ean: 0603097377590   |   UPC: 603097377590

Easy , Accurate & Affordable - This Refractometer Is More Accurate And Easier To Use Than Traditional Hydrometers, More Affordable Than Digital Refractometers..
Automatic Temperture Compensation --The Build-In Automatic Temperature Compensation Feature Makes It Get Consistently Accurate Reading, No Need To Control The Liquids Temperature Deliberately, Just Make Sure It's At Roomtemperature ..
Dual Scale -- Provides Reading Of 0-100Ppt(Parts Per Thousand ) And Corresponding Specific Gravity Range 1.000 To 1.070. You Can Get The Both Result At Just One Test..
Widely Use - Can Be Used For Aquariums, Marine Monitoring, Agricultural, Gardening & Educational Purposes..

Features

  • DESIGNED FOR - testing the concentration of saltwater, help you to monitor and control the concentration of salt water.
  • WIDELY USE - Can be used for Aquariums, Marine Monitoring, Agricultural, Gardening & Educational Purposes.
  • EASY , ACCURATE & AFFORDABLE - This refractometer is more accurate and easier to use than traditional hydrometers, more affordable than digital refractometers.
  • DUAL SCALE -- Provides reading of 0-100PPT(parts per thousand ) and corresponding specific gravity range 1.000 to 1.070. You can get the both result at just one test.
  • AUTOMATIC TEMPERTURE COMPENSATION --The build-in Automatic Temperature Compensation feature makes it get consistently accurate reading, no need to control the liquids temperature deliberately, just make sure it's at roomtemperature .
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Brand: aichose   |   Manufacturer: Xindacheng

Dimensions: 1.50 x 7.00 x 1.50 inches   |   Weight: 0.23 pounds

Amazon Price: $18.99 | as of 04/27/2024 (1:59am pst) *DETAILS

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  #8

Actopus Hydrometer Salinity Tester for Aquarium Sea Fish Tank Salt Water

Asin: B08Q37YCWN

Specific Gravity Range 1.000 - 1.030.
Salinity Range 0-40.
Rinse With Fresh Water After Use.

Features

  • Quick measurement on salt level, specific gravity.
  • Rinse with fresh water after use
  • Specific gravity range 1.000 - 1.030
  • Salinity range 0-40
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Brand: Actopus   |   Manufacturer: Actopus

Amazon Price: $8.99 | as of 04/27/2024 (1:59am pst) *DETAILS

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  #9

CYCLOPS INSTRUMENTS Professional Salinity Premium Refractometer for Seawater, Marine Fishkeeping Aquarium, Pools, and Tanks, 0-100 PPT Salinity Tester with Automatic Temperature Compensation (ATC)

Asin: B0BQWZMNLY   |   Ean: 0860008517807   |   UPC: 860008517807

Unlike Hydrometers, Refractometers Are More Reliable For Easy And Quick Measurements..
Other Alternatives For Testing Salinity In Aquariums Include Hydrometers And Salinity Meters, But Refractometers Are Often The Preferred Choice Due To Their Accuracy And Ease Of Use..
Saltwater Refractometers Are Specifically Designed For Saltwater Pools Or Aquarium Use, Ensuring Accurate And Consistent Readings Of Salt Content..
It Is Commonly Used As A Salinity Tester For Saltwater Aquariums And Provides Accurate Readings Of The Water's Salinity Levels..

Features

  • CYCLOPS INSTRUMENTS refractometer is a precise and efficient tool for measuring salinity in saltwater aquariums or salt water pools..
  • It is commonly used as a salinity tester for saltwater aquariums and provides accurate readings of the water's salinity levels.
  • Unlike hydrometers, refractometers are more reliable for easy and quick measurements.
  • Saltwater refractometers are specifically designed for saltwater pools or aquarium use, ensuring accurate and consistent readings of salt content.
  • Other alternatives for testing salinity in aquariums include hydrometers and salinity meters, but refractometers are often the preferred choice due to their accuracy and ease of use.
  • See more on Amazon...

Brand: CYCLOPS INSTRUMENTS   |   Manufacturer: CYCLOPS INSTRUMENTS

Dimensions: 2.16 x 7.87 x 3.54 Inches

Amazon Price: $23.99 ($23.99 / Count) | as of 04/27/2024 (1:59am pst) *DETAILS

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  #10

Red Sea Fish Pharm ARE11065 Coral Reef Marine Salt for Aquarium, 175-Gallon

Asin: B0059L9UXI   |   Model: 306001   |   PartNumber: 306001   |   Ean: 0730773110650   |   UPC: 730773110650

Salt Has Become Famous For Its Favorable Effects On Invertebrates.
Available In 175-Gallon.
Every Batch Is Biologically And Chemically Tested For Quality Control.
It Is Enriched With Other Fine Minerals To Faithfully Replicate Natural Seawater For Your Aquarium.

Features

  • Premium sea salt formula, based on the natural salt harvested by solar evaporation of the waters of the exotic
  • It is enriched with other fine minerals to faithfully replicate natural seawater for your aquarium
  • Salt has become famous for its favorable effects on invertebrates
  • Every batch is biologically and chemically tested for quality control
  • Available in 175-gallon
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Brand: Red Sea   |   Manufacturer: TopDawg Pet Supply

Dimensions: 3.94 x 7.87 x 3.94 Inches   |   Weight: 1.00 Pounds

Amazon Price: $99.99 | as of 04/27/2024 (1:59am pst) *DETAILS

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  #11

Abnaok Salinity Tester, Sea Specific Gravity Test for Fish Tank Pond Water Saltwater Freshwater, Accurate Automatic Hydrometer

Asin: B07R1TVRKF   |   Ean: 0824006760566   |   UPC: 824006760566

Clearly Safe Zone Indicated:Includes Solinity And Specific Grovity Scales.The Outside Rang Of Scale Indicates Salinity(Ppt).The Inside Range Of Scale Indicates Gravity.And With Safe Zone Clearly Indicated.Range Of Use: 0-40 Degrees (1.000-1.030).If The Salinity Ppt Between 32 - 40,Show That The Salinity Hydrometer Is High;If The Salinity Ppt Between 27 - 31,Show That The Salinity Hydrometer Is Normal; If The Salinity Ppt Between 0 - 26,Show That The Salinity Hydrometer Is Light..
Easy To Read And Use:The Easy-To-Read Swing-Arm Pointer And Extra Wide Stable Base Provide An Accurate Test Result..
Wide Usage:Fit For Brackish And Marine Aquariums.Perfect For Testing Both Salinity And Specific Gravity Of Your Brackish And Marine Tank.Includes Solinity And Specific Grovity Scales.Suitable For Fresh Water And Sea Water..
Durable Clear Acrylic:Accurate, Durable, And Easy To Read Your Marine Aquarium's Salt Level And Specific Gravity,Small And Waterproof.If The Specific Gravity Between 1.000 - 1.019,Show That The Specific Gravity Is Small;If The Specific Gravity Between 1.020 - 1.023,Show That The Specific Gravity Is Nomal;If The Specific Gravity Between 1.024 - 1.030,Show That The Specific Gravity Is Big;.

Features

  • Safe Material:Made of plastic,aquarium clear Automatic Accurate Readable SaltWater Hydrometer.
  • Durable Clear Acrylic:Accurate, durable, and easy to read your marine aquarium's salt level and specific gravity,Small and waterproof.if the specific gravity between 1.000 - 1.019,show that the specific gravity is small;if the specific gravity between 1.020 - 1.023,show that the specific gravity is nomal;if the specific gravity between 1.024 - 1.030,show that the specific gravity is big;
  • Clearly Safe Zone Indicated:Includes solinity and specific grovity scales.The outside rang of scale indicates salinity(PPT).The inside range of scale indicates gravity.And with safe zone clearly indicated.Range of use: 0-40 degrees (1.000-1.030).If the salinity ppt between 32 - 40 show that the salinity hydrometer is high;If the salinity ppt between 27 - 31 show that the salinity hydrometer is normal; If the salinity ppt between 0 - 26 show that the salinity hydrometer is light.
  • Wide Usage:Fit for brackish and marine aquariums.Perfect for testing both salinity and specific gravity of your brackish and marine tank.Includes solinity and specific grovity scales.Suitable for fresh water and sea water.
  • Easy to Read and Use:The easy-to-read swing-arm pointer and extra wide stable base provide an accurate test result.
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Brand: Abnaok   |   Manufacturer: Abnaok

Amazon Price: $10.99 | as of 04/27/2024 (1:59am pst) *DETAILS

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  #12

Seawater Salinity Refractometer,V-Resourcing Automatic Temperature Compensation Sea Water Salinity Measurer for Aquarium, Hydrometer, 0-100ppt & 1.000-1.070 Salinity Specific Gravity

Asin: B01N9KGKE8   |   Model: COMINHKPR127692   |   PartNumber: COMINHKPR127692   |   Ean: 0732840542579   |   UPC: 732840542579

Minimum Scale: Salinity: 1 ‰, Specific Gravity : 0.001.
Perfect For Salty Water Tank And Aquarium, Seafood Water Tank, Salty Pools & Spas And Etc.
Resolution: Salinity: ±1‰, Specific Gravity : 0.001 Mm.
Measuring Range: Salinity: 0-100 ‰, Specific Gravity : 1.000 To 1.070.

Features

  • Automatic Temperature Compensation: 10 ~30
  • Measuring range: salinity: 0-100 , Specific Gravity : 1.000 to 1.070
  • Minimum scale: salinity: 1 , Specific Gravity : 0.001
  • Resolution: salinity: 1 , Specific Gravity : 0.001 mm
  • Perfect for salty water tank and aquarium, seafood water tank, salty pools & spas and etc
  • See more on Amazon...

Brand: V·RESOURCING   |   Manufacturer: V-Resourcing

Dimensions: 2.00 x 8.00 x 3.00 inches   |   Weight: 0.10 pounds

Amazon Price: $14.99 | as of 04/27/2024 (1:59am pst) *DETAILS

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  #13

Digital Salinity Tester for Salt Water - Aquarium Salinity Meter with ATC, IP67 Waterproof, 0-200 PPT Large Range Multi-Parameter Tester for Seawater, Fish Tank, Hydroponics

Asin: B08LD4BVHB   |   Model: LD-203   |   PartNumber: LD-203   |   Ean: 0736139474466   |   UPC: 736139474466

[Easy Reading With Lcd Backlight] There Is No Need To Worry About Seeing The Displayed Value If The Light Is Insufficient. Ciztada Salinity Meter Features A Green Backlit Lcd To Help You See The Measurement Results Clearly In Any Situation.
[Wide Applications]: Measures Saltwater Or Salinity Of Water, Ideal For Aquarium, Marine Monitoring, Salty Pools & Spas, Koi Fish Pond, Hydroponics And Etc.
[Multifunctional Salinity Tester]: The Ciztada Multi-Parameter Tester Can Test Salinity, Tds, Ec And Temperature In An Accurate, Quick And Reliable Manner For Most Regular Water Solutions' Testing. Support One-Tap Switch From Salinity To Tds/Ec.
[Automatic Temperature Compensation] Notice: We Recommend Waiting For A While To Observe The Measurement Results For More Accurate Reading. Ciztada Salinity Tester Is Equipped With Atc Part Inside, During Normal Temperature, Once Calibrated, The Temperature Change Would Never Affect The Accurate Of Your Measuring Result..

Features

  • [Large Salinity Range] Ciztada salinity tester has 2 measurement modes, scale range: 0~9999 ppm/10.0~200 ppt and 0.00-25.00%, which is 2 times than the salinity refractometer
  • [Automatic Temperature Compensation] Notice: We recommend waiting for a while to observe the measurement results for more accurate reading. Ciztada salinity tester is equipped with ATC part inside, during normal temperature, once calibrated, the temperature change would never affect the accurate of your measuring result.
  • [Easy Reading with LCD Backlight] There is no need to worry about seeing the displayed value if the light is insufficient. Ciztada salinity meter features a green backlit LCD to help you see the measurement results clearly in any situation
  • [Multifunctional Salinity tester]: The Ciztada multi-parameter Tester can test Salinity, TDS, EC and Temperature in an accurate, quick and reliable manner for most regular water solutions' testing. Support One-tap switch from salinity to TDS/EC
  • [Wide Applications]: Measures saltwater or salinity of water, ideal for aquarium, marine monitoring, salty pools & spas, koi fish pond, hydroponics and etc
  • See more on Amazon...

Brand: CIZTADA   |   Manufacturer: CIZTADA

Amazon Price: $27.99 | as of 04/27/2024 (1:59am pst) *DETAILS
List Price: $29.39

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  #14

ALLmeter Salinity Refractometer Saltwater Aquariums Dual Scale 0-100 PPT & Specific Gravity 1.000-1.070 Salinity Tester Meter with ATC Function for Marine Monitoring,Fish Farming,Pool Hydrometer

Asin: B0BQMQPZFX   |   Model: ALL001   |   PartNumber: ALL001

Wide Measurement Range And Clear Dual Scale: Measures Salinity From 0-100‰ (0-100Ppt) And Specific Gravity From 1.000-1.070. The Dual Scale Display And Clearly Marked Readings Ensure Easy And Accurate Interpretation..
Versatile And Reliable: Suitable For Aquariums, Marine Monitoring, Fishkeeping, Agriculture, And Home Swimming Pools. Specifically Designed For Saltwater Aquarium Salinity Measurement..
Precise Salinity Measurement: The Allmeter Refractometer Delivers Accurate Readings Of Salt Content In Water, Making It Perfect For Aquariums, Marine Monitoring, Fish Cultivation, And Residential Swimming Pools. With Automatic Temperature Compensation (Atc), It Provides Fast And Dependable Results..
User-Friendly Operation: Just Add 2-3 Drops Of Water, Use The Screwdriver To Calibrate It To “0”, Wipe The Prism, Add The Sample, Wait For 30 Seconds, Align It With Light, And Adjust The Focusing Ring For Clear Readings..

Features

  • Durable and Portable: This aquarium salinity tester is constructed with non-corrosive aluminum, making it lightweight, durable, and easy to transport. Our salinity refractometer includes a sturdy case, 3 droppers, a screwdriver, a user manual, and a cleaning cloth for added protection and long-lasting use.
  • User-Friendly Operation: Just add 2-3 drops of water, use the screwdriver to calibrate it to 0 , wipe the prism, add the sample, wait for 30 seconds, align it with light, and adjust the focusing ring for clear readings.
  • Wide Measurement Range and Clear Dual Scale: Measures salinity from 0-100 (0-100PPT) and specific gravity from 1.000-1.070. The dual scale display and clearly marked readings ensure easy and accurate interpretation.
  • Precise Salinity Measurement: The ALLmeter refractometer delivers accurate readings of salt content in water, making it perfect for aquariums, marine monitoring, fish cultivation, and residential swimming pools. With automatic temperature compensation (ATC), it provides fast and dependable results.
  • Versatile and Reliable: Suitable for aquariums, marine monitoring, fishkeeping, agriculture, and home swimming pools. Specifically designed for saltwater aquarium salinity measurement.
  • See more on Amazon...

Brand: ALLmeter   |   Manufacturer: ALLmeter

Weight: 0.66 pounds

Amazon Price: $16.99 ($16.99 / Count) | as of 04/27/2024 (1:59am pst) *DETAILS

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  #15

Salinity Refractometer 0~28% Scale Range, Measuring Sodium Chloride Content in Brine, Seawater and Industry. Salinometer for Food with Automatic Temperature Compensation (ATC)

Asin: B01HTR3NXM   |   Model: SR-028   |   PartNumber: SR-028   |   Ean: 0603097377521   |   UPC: 603097377521

Mainly Used In Food Industry Like Pickling Food, Cooking Food, Fish Processing Products, Seawater, Brine, Etc..
Instant Reading Result: Just Need 2-3 Drops Of Solution And A Few Seconds, You Can Get Accurate Readings..
Features Automatic Temperature Compensation: Makes It Even Easier To Get Fast Results..
Ideal For Measuring The Sodium Chloride Content In High Concentration Salty Liquid, Such As Brine And Some Industry Liquids..

Features

  • This optical refractometers has scales in the range of 0-28%. division : +/-0.2%. The large scale range makes it to be used in wider areas.
  • Ideal for measuring the sodium chloride content in high concentration salty liquid, such as brine and some industry liquids.
  • Mainly used in food industry like pickling food, cooking food, fish processing products, seawater, brine, etc.
  • Features automatic temperature compensation: makes it even easier to get fast results.
  • Instant Reading Result: Just need 2-3 drops of solution and a few seconds, you can get accurate readings.
  • See more on Amazon...

Brand: aichose   |   Manufacturer: Xindacheng

Dimensions: 1.00 x 6.80 x 1.00 Inches   |   Weight: 0.25 Pounds

Amazon Price: $18.99 | as of 04/27/2024 (1:59am pst) *DETAILS

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  #16

SunGrow Measure Salinity of Water with Aquarium Refractometer, Remarkable Accuracy, Easy Reading

Asin: B071RMR7BJ   |   Ean: 0791043305961   |   UPC: 791043305961

Easy And Clear Reading For Saltwater Aquariums And Reef Tanks --- The Refractometer Comes With A Focus Adjustment On The Eyepiece, This Will Give You Clarity Of The Optics And A Sharp Line For Easy Reading..
Keep Your Fish And Plant Life In Optimal Well-Being --- Pure Saltwater Is Crucial For The Vitality Of Your Marine Or Reef Aquarium. Use This Refractometer To Measure The Salinity Of The Water, The Target Level Of Salinity In A Reef Tank Should Be 35 Ppt..
Comes In A Solid Case Includes Pipette And Calibration Tool --- This Refractometer Is Not Only Built Extremely Well, But It Comes With A Durable Hard Case For Easy Storage Of The Refractometer When Not In Use. It Also Includes A Calibration Tool And A Pipette..
Automatic Temperature Calibration --- The Calibration Process Should Be Carried Out With Both The Room And The Instrument At 68° F. The Refractive Index Of A Liquid Changes With Temperature. Due To The Automatic Temperature Calibration, Any Changes In Ambient Temperature From 50° F- 86° F Will Not Affect The Accuracy Of The Reading..

Features

  • Specifically Designed Refractometer For Saltwater Aquarium --- The algorithm is made specifically for testing seawater and saltwater. This is different from a standard refractometer which is not calibrated to check salinity of aquarium water and will give an error in your readings.
  • Automatic Temperature Calibration --- The calibration process should be carried out with both the room and the instrument at 68 F. The refractive index of a liquid changes with temperature. Due to the automatic temperature calibration, any changes in ambient temperature from 50 F- 86 F will not affect the accuracy of the reading.
  • Easy And Clear Reading For Saltwater Aquariums And Reef Tanks --- The refractometer comes with a focus adjustment on the eyepiece, this will give you clarity of the optics and a sharp line for easy reading.
  • Comes In A Solid Case Includes Pipette And Calibration Tool --- This refractometer is not only built extremely well, but it comes with a durable hard case for easy storage of the refractometer when not in use. It also includes a calibration tool and a pipette.
  • Keep Your Fish And Plant Life In Optimal Well-being --- Pure saltwater is crucial for the vitality of your marine or reef aquarium. Use this refractometer to measure the salinity of the water, the target level of salinity in a reef tank should be 35 ppt.
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Brand: SunGrow   |   Manufacturer: Luffy Pets Collection

Amazon Price: $15.95 ($15.95 / Count) | as of 04/27/2024 (1:59am pst) *DETAILS

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  #17

Red Sea Fish Pharm ARE21515 Saltwater Reef Color Pro Multi Test Kit for Aquarium

Asin: B006L48N1C   |   Model: 306028   |   PartNumber: 306028   |   Ean: 0730773215157   |   UPC: 730773215157

Material Type: Cotton.

Features

Brand: Red Sea   |   Manufacturer: TopDawg Pet Supply

Dimensions: 3.15 x 5.51 x 6.69 Inches   |   Weight: 1.00 pounds

Amazon Price: $64.27 | as of 04/27/2024 (1:59am pst) *DETAILS

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  #18

Salinity Refractometer for Seawater Aqaurium Fishkeeping Salinity Tester Meter Dual Scale-Specific Gravity Salinity Hydrometer 0-100PPT & 1.000-1.070

Asin: B08QMXSJVZ   |   Model: XRCLIF118   |   PartNumber: XRCLIF118   |   Ean: 0753326499842   |   UPC: 753326499842

Accurate Refractometer: Saltwater Tester Can Automatically Compensate Temperatue When The Ambient Temp Changes, Which Allows The Refractometer Measurement More Accurate.
Durable & Portable: This Saltwater Meters Are Made Of Aluminum Material, Non-Staining, Anti-Rusty And Sturdy Design, Compact In Size And Lightweight, Easy To Operate And Carry With.
Simple To Use: Salinity Refractometer Is Easy To Operate Only 2-3 Drops Of Sample Solution After Calibration, You Can Get The Accurate Reading Through Eyepiece Quickly.
Widely Use: Saline Meter Is Ideal For Aquarium Marine Fish-Keeping, Saltwater Pool, Agricultural, Gardening And Lab Education Purposes.

Features

  • Dual Scale: this aquariums reqrium measures saltwater soultion and provides readings of 0-100PPT parts per thousand, Specific gravity 1.000 to 1.070SG, perfect for replace the salty hydrometer
  • Widely Use: Saline meter is ideal for aquarium marine fish-keeping, saltwater pool, agricultural, gardening and lab education purposes
  • Accurate Refractometer: Saltwater tester can automatically compensate temperatue when the ambient temp changes, which allows the refractometer measurement more accurate
  • Simple to Use: salinity refractometer is easy to operate only 2-3 drops of sample solution after calibration, you can get the accurate reading through eyepiece quickly
  • Durable & Portable: This saltwater meters are made of aluminum material, non-staining, anti-rusty and sturdy design, compact in size and lightweight, easy to operate and carry with
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Brand: XRCLIF   |   Manufacturer: XRCLIF

Amazon Price: $16.99 | as of 04/27/2024 (1:59am pst) *DETAILS

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  #19

capetsma Salinity Tester, Accurate Sea Hydrometer Aquarium Marine Salinity Meter for Fish Tank Pond Water Saltwater Freshwater Specific Gravity Test

Asin: B07P7462L5   |   Ean: 0682228013712   |   UPC: 682228013712

🐠 Higher Accuracy & Safe Zone Indicated: Readings Are Temperature-Corrected & Accurate To +/- 0. 001. Specific Gravity Units Ranges From 1. 000 - 1. 030 With A Safe Zone Of 1.020-1.023. The Outside Range Of Scale Indicates Salinity Ppt, Ranges From 0-40, Safe Zone Is 27-31..
🐠 Wide Usage:Fit For Brackish And Reef Salt Marine Aquariums. Perfect For Testing Both Salinity And Specific Gravity Of Your Brackish And Marine Tank.Includes Salinity And Specific Gravity Scales.Suitable For Fresh Water And Sea Water..
🐠Easy To Read & Clean: The Easy-To-Read Swing-Arm Pointer And Extra Wide Stable Base Provide An Accurate Test Result. After Use, Soak This Saltwater Meter In Mild Acid(Vinegar) For 30 Minutes, Rinse With Tap Water And Air Dry. Do Not Disassemble..
🐠 Quickly, Easily, And Accurately Measurement: With This Hydrometer Saltwater Aquarium Test Kit, You Can Test Your Marine Aquarium's Salt Level And Specific Gravity, And It Is Optimum To Be Put Into Below 6" Deep Water To Avoid The Error Caused By The Oil Film On The Water..

Features

  • Safe Material & Unique Design: Made of durable Acrylic, this Fish Tank Test Kit salinity Hydrometer is designed with an automatic level function.
  • Quickly, easily, and accurately measurement: With this hydrometer saltwater aquarium test kit, you can test your marine aquarium's salt level and specific gravity, and It is optimum to be put into below 6 deep water to avoid the error caused by the oil film on the water.
  • Higher Accuracy & safe zone indicated: Readings are temperature-corrected & accurate to +/- 0. 001. specific gravity units ranges from 1. 000 - 1. 030 with a safe zone of 1.020-1.023. The outside range of scale indicates salinity ppt, ranges from 0-40, safe zone is 27-31.
  • Easy to Read & Clean: The easy-to-read swing-arm pointer and extra wide stable base provide an accurate test result. After use, soak this saltwater meter in mild acid(vinegar) for 30 minutes, rinse with tap water and air dry. Do not disassemble.
  • Wide Usage:Fit for brackish and reef salt marine aquariums. Perfect for testing both salinity and specific gravity of your brackish and marine tank.Includes salinity and specific gravity scales.Suitable for fresh water and sea water.
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Brand: capetsma   |   Manufacturer: Capetsma

Amazon Price: $9.99 | as of 04/27/2024 (1:59am pst) *DETAILS

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  #20

Professional Automatic Temperature Compensation Salinity Refractometer for Aquariums, Marine Monitoring, Saltwater Testing.Dual Sacle: 0-100ppt & 1.000-1.070 Specific Gravity

Asin: B00AZ1SMC2   |   Model: SR007-10ATC   |   PartNumber: SR007-10ATC   |   Ean: 0701748849509, 0700220578166   |   UPC: 700220578166, 701748849509

Dual Salinity Scale.
Full 12 Month Replacement Warranty.
No Battery Needed.
Automatic Temperature Compensation.
Partable Hard Storage Box.

Features

  • Upgraded Quality
  • Partable Hard Storage Box
  • Dual Salinity Scale
  • Automatic Temperature Compensation
  • Full 12 Month Replacement Warranty
  • No Battery Needed
  • See more on Amazon...

Brand: Magnum Media Salinity 10ATC   |   Manufacturer: Magnum Media

Dimensions: 1.70 x 8.10 x 3.20 Inches   |   Weight: 0.60 Pounds

Amazon Price: $18.99 | as of 04/27/2024 (1:59am pst) *DETAILS

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