Best AQUARIUM REFRACTOMETERS
At Aquarium Accessories Reviews, we take pride in our rigorous review process. Each product is handpicked based on market research, personally tested by our experienced team for functionality and durability, and evaluated for value for money. Alongside our hands-on experience, we also consider real user feedback. This meticulous approach ensures we provide honest, transparent, and comprehensive reviews to guide your aquarium accessory purchases.
1
Professional Automatic Temperature Compensation Salinity Refractometer for Aquariums, Marine Monitoring, Saltwater Testing.Dual Sacle: 0-100ppt & 1.000-1.070 Specific Gravity
Magnum Media Salinity 10ATC Store
4.4 ✓
2
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
AUTOUTLET Store
4.6 ✓
3
RZ Aquariums Salinity Refractometer for Seawater Marine Fish-Keeping, Dual Scales Specific Gravity Salinity Meter Hydrometer 0-100ppt & 1.000-1.070, Saltwater Tester with ATC Function
RZ Store
4.6 ✓
4
AccuBrate Refractometer and Hydrometer Salinity Calibration Fluid – Solution to Accurately Calibrate Refractometer and Hydrometer for Testing Natural Saltwater or Synthetic Sea Water (60 ml)
Aquatic Experts Store
4.6 ✓
5
Abuycs Salinity Refractometer for Seawater and Marine Fishkeeping Aquarium, Saltwater Tester Hydrometer, Dual Sacle 0-100ppt & 1.000-1.070 Specific Gravity with ATC Automatic Temperature Compensation
Brand: Abuycs
4.1 ✓
6
Salinity Refractometer for Aquarium Fish, Salt Water Testing, Dual Scale Salinity Tester PPT& Specific Gravity Saline Seawater Refractometer Hydrometer with ATC, Made of Copper Not Cheap Aluminum
AMTAST Store
4.4 ✓
7
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
CIZTADA Store
4.3 ✓
8
Salinity Refractometer Portable Seawater and Marine Tester for Aquarium Fishkeeping for 0-100 PPT with Automatic Temperature Compensation(ATC)
Brand: Generic
5 ✓
9
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
ALLmeter Store
4.3 ✓
10
CYCLOPS INSTRUMENTS Professional Salinity Premium Refractometer for Seawater, Marine Fishkeeping Aquarium, Pools, and Tanks, 0-100 PPT Salinity Tester with Automatic Temperature Compensation (ATC)
Brand: CYCLOPS INSTRUMENTS
4.4 ✓
We will continue to update this buyer's guide once a month or two.
The best AQUARIUM REFRACTOMETERS in 2024 - Detailed Product Descriptions
1. Professional Automatic Temperature Compensation Salinity Refractometer for Aquariums, Marine Monitoring, Saltwater Testing.Dual Sacle: 0-100ppt & 1.000-1.070 Specific Gravity
By Magnum Media Salinity 10ATC Store
More PhotoUpgraded Quality
Partable Hard Storage Box
Dual Salinity Scale
Automatic Temperature Compensation
Full 12 Month Replacement Warranty
No Battery Needed
2. 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
【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.
3. RZ Aquariums Salinity Refractometer for Seawater Marine Fish-Keeping, Dual Scales Specific Gravity Salinity Meter Hydrometer 0-100ppt & 1.000-1.070, Saltwater Tester with ATC Function
By RZ Store
Measures on 2 Scales: Aquariums refractometer features Specific Gravity (D 20/20) 1.000-1.070sg and parts per thousand 0-100PPT (1‰=1ppt=1000ppm)
Seawater refractometer measures saltwater or salinity of water, ideal for aquarium, marine monitoring, fish-keeping,salty pools&spas and etc.
ATC Function: salty water refractometer with automatic temperature compensation, allow you obtain accurate readings easier and faster
Salinity Refractometer is made of aluminum body and ABS rubber light and very sturdy, comes with a hard plastic case, a mini screwdriver, a dropper
Easy to Use: put 2-3 drops on the saltwater’s prism, towards light then to get the accurate readings through the optic eyepiece, ideal for replacement the poor quality and difficult to read hydrometer refractometer
4. AccuBrate Refractometer and Hydrometer Salinity Calibration Fluid – Solution to Accurately Calibrate Refractometer and Hydrometer for Testing Natural Saltwater or Synthetic Sea Water (60 ml)
REMARKABLE PERFORMANCE! AccuBrate calibration solution is specifically formulated to calibrate hydrometers and refractometers to accurately measure the salinity of saltwater, reef aquariums as well as natural sea
ACCURATE RESULTS! Our calibration solution is formulated from a high purity blend of salts to produce accurate readings every time. Hydrometers must be calibrated often to obtain accurate readings. Note: RO/DI water will not calibrate your refractometer correctly. Always use AccuBrate to ensure correct salinity readings - your aquatic friends will love you.
EASY TO USE: Our specially designed bottle has a built-in dropper tip which eliminates the need for a pipette. Simply squeeze a few drops of AccuBrate directly from the bottle onto the refractometer’s prism slide and you are ready to calibrate your instrument. (Drops come out at a very controllable rate.)
LONG-LASTING: You need just 2 to 3 drops of our calibration solution to calibrate a refractometer. Using a few drops means our 60 ml bottle should last a very long time. For best results calibrate refractometer often to ensure accurate readings.
RISK FREE! Does this come with a money back guarantee? YES! Your purchase comes with a full 90 day no-risk, no-nonsense 100% Money Back Guarantee. Either you're thrilled, or we don't want your money!
5. Abuycs Salinity Refractometer for Seawater and Marine Fishkeeping Aquarium, Saltwater Tester Hydrometer, Dual Sacle 0-100ppt & 1.000-1.070 Specific Gravity with ATC Automatic Temperature Compensation
✅DUAL SCALE MEASURES SALT PERCENT AND SG:Specific gravity,range: 1.000-1.070 g/cm3, resolution: 0.001 g/cm3.Salt percent, range: 0-100 ppt ( or say parts per thousand), resolution: 1 ppt.It is designed for the measurement of seawater (marine aquaria) or very low concentrated salt solutions.
✅ ENDLESS APPLICATION AND EASY TO USE,:Ideal for testing and monitoring aquariums,fish tank, saltwater pool,seawater.Just need 2-3 drops of solution, you can get accurate readings. No batteries needed.
✅ATC TECHNOLOGY:Handheld Salinity Refractometerr with Automatic Temperature Compensation(ATC),no more worry about the temperature change will influence the reading accuracy.the fish keeping refractometer will account for changes in ambient temperature and automatically compensate accordingly to provides accurate and repeatable measurements.
✅AIRCRAFT ALUMIUM BODY MATERIAL:The aquarium refractometer is made of non-staining, non-corrosive and non-reactive aluminum which is lightweight to carry,anti-scratch and durable.
✅WIDE APPLICATION: It is for measuring the salinity of salt water quickly and accurately, ideal for agriculture, industry and research application, such as mariculture, fish culture, aquarium, marine survey, water quality monitoring, salt production, manufacture of normal saline, salinity measurement in food processing etc. Can also be used for medical institutions, university research and so on.
6. Salinity Refractometer for Aquarium Fish, Salt Water Testing, Dual Scale Salinity Tester PPT& Specific Gravity Saline Seawater Refractometer Hydrometer with ATC, Made of Copper Not Cheap Aluminum
By AMTAST Store
COPPER DURABLE: Made of Copper not cheap Aluminum, easy to clean and maintain.
WIDE APPLICATIONS: Aquariums, Marine Monitoring, Agricultural, Fish Tank Saltwater Measuring, Gardening & Educational Purposes (Biology Projects) etc. Aquarium refractometer is ideal for replacement salinity hydrometers or expensive digital salinity tester.
DUAL SCALES: Saltwater Refractometer measures on specific gravity (D20/20) 1.000-1.070 and parts per thousand 0~100‰, you can get the result in two different units by one test.
ATC: Aquarium hydrometer features Automatically Temperature Compensate function and always provide you accurate readings fast.
EASY TO USE: Only 2-3 drops of sample solution after calibration on prism, towards light, then can read the result fast and accurately.
7. 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
[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
8. Salinity Refractometer Portable Seawater and Marine Tester for Aquarium Fishkeeping for 0-100 PPT with Automatic Temperature Compensation(ATC)
For measuring salt water or salinity in a water sample for Salt Water Aquariums.
Measures on 2 scales, Specific Gravity and parts per thousand.
Features automatic temperature compensation.
Includes, eyedropper, small screwdriver, user manual and a cleaning cloth.
Best to calibrate it with distilled water or a salinity calibration fluid for accurate results.
9. 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
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.
10. CYCLOPS INSTRUMENTS Professional Salinity Premium Refractometer for Seawater, Marine Fishkeeping Aquarium, Pools, and Tanks, 0-100 PPT Salinity Tester with Automatic Temperature Compensation (ATC)
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.
11. Soonkoda Dual Scales Salinity Refractometer for Seawater Marine Fishkeeping Saltwater Aquarium 0-100 PPT Salinity Tester Specific Gravity 1.000-1.070 brine Pool Hydrometer with ATC
【2 Scales】0-100ppt salinity and 1.000-1.070 specific gravity hydrometer
【Clear Scale】A clear dial can be seen through the eyepiece，easy to read;
【With ATC】With automatic temperature compensation, thus reducing the error;
【Rubber Grip】Rubber handle, non-slip and durable;
【Easy to carry】The portable canvas package is used to protect the instrument from damage
