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The Best Refractometer Aquarium of 2023 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best Refractometer Aquarium of 2023. Check our ranking below.
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- 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.
- 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 .
- MEASURES ON 2 SCALES - Aquarium Refractometer features specific gravity (D20/20) 1.000-1.070 and parts per thousand 0~100‰ , 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
- 【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.
- Salinity Refractometer：This refractometer measure salt water or salinity of water, ideal for aquariums and marine monitoring.
- Dual Scale: Measures on 2 scales, Specific Gravity (D 20/20) and parts per thousand. Density of 1.0-1.070 with min scale of 0.001.Concentration of 0-100‰, with min scale of 1‰
- With ATC Function：Features automatic temperature compensation.ATC：50℉-86℉ (10℃~ 30℃),No Batteries.
- Durable and Portable:The refractometer is made of aluminum and ABS rubber, anti-rust, non-staining and resistant abrasion.
- Includes：Salinity refractometer comes with a hard case, dropper, screwdriver, user manual,cleaning cloth and Portable USB LED Light easy to calibration and reading
Last update on 2025-07-03 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
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- Brand Value: Every brand of Refractometer Aquarium has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
- Features: What bells and whistles matter for an Refractometer Aquarium?
- Specifications: How powerful they are can be measured.
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- Product Reliability: How sturdy and durable an Refractometer Aquarium is should be an indication of how long it will work out for you.
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FAQ:
Q: What kind of refractometer do you use for fish?
A: When it comes to fishkeeping, there are two types of refractometers that are commonly used: 1. Handheld salinity refractometers (analog) This is the cheapest and most commonly used aquarium refractometer.
Q: How is a Refractometer used to measure the salinity of water?
A: And, it turns out that you can use refraction to determine the salinity of your aquarium. You see, light refracts differently according to the amount of salt that is dissolved in the water. A refractometer can “read” these differences, allowing you to accurately measure the salinity of your tank.
Q: What do you need for a temperature refractometer?
A: This refractometer is equipped with automatic temperature compensation function, minimize the impact of temperature on accuracy. Comes with every thing you need: a hard case, droppers, a screwdriver, a user manual and a cleaning cloth.
Q: Which is the best handheld refractometer for accuracy?
A: Best handheld refractometer for accuracy – Vee Gee Model number STX-3 Measurement scale Salinity PPT (0-100%), SG 1.000 – 1.070 Accuracy Salinity PPT +/- 1.0%, SG +/- 0.001 Warranty One year