Rank Product Name Score
1 eSeasonGear SALT-3050 Waterproof IP65 Meter, Digital Salinity PPM Temperature Tester for Salt Water Pool and Koi Fish Pond eSeasonGear SALT-3050 Waterproof IP65 Meter, Digital Salinity PPM Temperature Tester for Salt Water Pool and Koi Fish Pond
eSeasongear
9.8 GET ON AMAZON
2 eSeasonGear SALT-3000 Meter, Digital Salinity PPM Temperature Tester for Salt Water Pool and Koi Fish Pond eSeasonGear SALT-3000 Meter, Digital Salinity PPM Temperature Tester for Salt Water Pool and Koi Fish Pond
eSeasongear
9.7 GET ON AMAZON
3 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 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
ORAPXI International
9.4 GET ON AMAZON
4 Hanna Salinity Tester HI98319 Hanna Salinity Tester HI98319
Hanna Instruments
9.4 GET ON AMAZON
5 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 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
9.2 GET ON AMAZON
6 Hallocool Salinity Refractometer for Saltwater Aquarium Marine Fishkeeping, Salinity Testers for Seawater Fish Tank, Dual Scale Specific Gravity Salt Water Tester Saline Refractometer Hydrometer Hallocool Salinity Refractometer for Saltwater Aquarium Marine Fishkeeping, Salinity Testers for Seawater Fish Tank, Dual Scale Specific Gravity Salt Water Tester Saline Refractometer Hydrometer
Hallocool
9.1 GET ON AMAZON
7 Fdit 5 in 1Portable Salinity/Temperature/TDS/EC Digital Seawater Quality Tester for Pools, Aquariums & Saltwater Fdit 5 in 1Portable Salinity/Temperature/TDS/EC Digital Seawater Quality Tester for Pools, Aquariums & Saltwater
Fdit
9.1 GET ON AMAZON
8 Oakton AO-35634-35 Oakton PCTSTestr 50 Waterproof Pocket pH/Cond/TDS/Salinity Tester, Premium 50 Series Oakton AO-35634-35 Oakton PCTSTestr 50 Waterproof Pocket pH/Cond/TDS/Salinity Tester, Premium 50 Series
COLE-PARMER
9.0 GET ON AMAZON
9 capetsma Salinity Tester, Accurate Sea Hydrometer Aquarium Marine Salinity Meter for Fish Tank Pond Water Saltwater Freshwater Specific Gravity Test capetsma Salinity Tester, Accurate Sea Hydrometer Aquarium Marine Salinity Meter for Fish Tank Pond Water Saltwater Freshwater Specific Gravity Test
Capetsma
8.7 GET ON AMAZON
10 RCYAGO PH Meter, 7-in-1 PH/TDS/EC/ORP/S.G/Salinity/Temp Meter with ATC, 0.01 Resolution High Accuracy Water Quality Tester RCYAGO PH Meter, 7-in-1 PH/TDS/EC/ORP/S.G/Salinity/Temp Meter with ATC, 0.01 Resolution High Accuracy Water Quality Tester
RCYAGO
8.5 GET ON AMAZON

eSeasonGear SALT-3050 Waterproof IP65 Meter, Digital Salinity PPM Temperature Tester for Salt Water Pool and Koi Fish Pond

eSeasonGear SALT-3050 Waterproof IP65 Meter, Digital Salinity PPM Temperature Tester for Salt Water Pool and Koi Fish Pond

    Features:

  • Precalibrated at 3000 ppm salt (NaCl) at 25°C / 77°F
  • Salt Range: 0-5000 ppm or 0.0-0.5 %; Temperature Range: 0-55 °C or 32-130 °F; Waterproof Rating: IP65
  • *** Check out the SALT-3050 + TS107 Test Strips COMBO
  • *** Works ONLY for Salt Water Pool and Koi Fish Pond Salt level testing.
  • *** Will NOT work for Sea/Marine/Salt Water Fish Tank Salt level testing *** Will NOT work for Food salt level testing! *** Will NOT work for any other application!

eSeasonGear SALT-3000 Meter, Digital Salinity PPM Temperature Tester for Salt Water Pool and Koi Fish Pond

eSeasonGear SALT-3000 Meter, Digital Salinity PPM Temperature Tester for Salt Water Pool and Koi Fish Pond

    Features:

  • Precalibrated at 3000 ppm salt (NaCl) at 25°C / 77°F
  • Built-in ATC sensor for automatic temperature compensation; Built-in salt (NaCl) conversion factor for meter calibration
  • Salt Range: 0-9990 ppm; Temperature Range: 0-55 °C or 32-130 °F; Not waterproof ( please buy the SALT-3050 if you need a waterproof salt meter).
  • *** Works ONLY for Salt Water Pool and Koi Fish Pond Salt level testing.
  • *** Will NOT work for Sea/Marine/Salt Water Fish Tank Salt level testing *** Will NOT work for Food salt level testing! *** Will NOT work for any other application!

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

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

    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. Support One-tap switch from salinity to TDS/EC.
  • After-sales: 30-day free return/replacement and we promise respond your any questions about the product within 12 hours.

Hanna Salinity Tester HI98319

Hanna Salinity Tester HI98319

    Features:

  • Waterproof and floats!
  • Includes 4x of the Salinity Calibration Fluid Packets.
  • Automatic Calibration – A 35.00 ppt solution is used for calibration and automatically recognized when in calibration mode.
  • Displays results in parts per thousand (ppt), Practical Salinity Units (PSU), or specific gravity (S.G.)
  • Salinity readings are performed by an amperometric graphite probe that resists oxidation, providing better repeatability in measurements. The use of graphite also reduces the polarization effect common with testers that use two stainless steel pins.

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

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

    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

Hallocool Salinity Refractometer for Saltwater Aquarium Marine Fishkeeping, Salinity Testers for Seawater Fish Tank, Dual Scale Specific Gravity Salt Water Tester Saline Refractometer Hydrometer

Hallocool Salinity Refractometer for Saltwater Aquarium Marine Fishkeeping, Salinity Testers for Seawater Fish Tank, Dual Scale Specific Gravity Salt Water Tester Saline Refractometer Hydrometer

    Features:

  • 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
  • WIDELY USE – The Refractometer designed for Aquariums, Marine Monitoring, Agricultural and Educational Purposes. Help you to control concentration of salt water easily
  • EASY TO USE – Put 2-3 drops of sample solution after calibration on prism, towards light, then get the accurate readings. Aquarium refractometer is ideal for replacement salinity hydrometers or expensive digital salinity tester
  • ATC FUNCTION – Aquarium hydrometer features Automatically Temperature Compensate function and always provide you accurate readings fast
  • DURABLE & PORTABLE – Saline refractometer is made of aluminum and ABS rubber, anti-rust, non-staining and resistant abrasion, sturdy for long time use. Portable refractometer with plastic case easy to carry

Fdit 5 in 1Portable Salinity/Temperature/TDS/EC Digital Seawater Quality Tester for Pools, Aquariums & Saltwater

Fdit 5 in 1Portable Salinity/Temperature/TDS/EC Digital Seawater Quality Tester for Pools, Aquariums & Saltwater

    Features:

  • 【WIDE APPLICATION】Suitable for drinking water, swimming pool, aquarium, reverse osmosis system, spa or hydroponic.
  • 【EASY OPERATION】Wide application range, fast measurement and simple operation, reliable to use.
  • 【SENSITIVE ELECTRODE SENSOR】The water quality tester has a sensitive electrode sensor to read accurate values.
  • 【ACCURATE MEASUREMENT】High sensitivity probe for more accurate measurement, more practical to use.
  • 【PREMIUM MATERIAL】Adopting high quality ABS material, resistant to corrosion and durable in use.

Oakton AO-35634-35 Oakton PCTSTestr 50 Waterproof Pocket pH/Cond/TDS/Salinity Tester, Premium 50 Series

Oakton AO-35634-35 Oakton PCTSTestr 50 Waterproof Pocket pH/Cond/TDS/Salinity Tester, Premium 50 Series

    Features:

  • Battery: four aaa 1.5 v
  • Buffer recognition: usa 4.01, 7.00, 10.01 and nist 4.01, 6.86, 9.18
  • Calibration: up to 3 points
  • Conductivity accuracy: 1 percent full scale
  • Display type: lcd

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

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

    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.

RCYAGO PH Meter, 7-in-1 PH/TDS/EC/ORP/S.G/Salinity/Temp Meter with ATC, 0.01 Resolution High Accuracy Water Quality Tester

RCYAGO PH Meter, 7-in-1 PH/TDS/EC/ORP/S.G/Salinity/Temp Meter with ATC, 0.01 Resolution High Accuracy Water Quality Tester

    Features:

  • 7-in-1 Water Quality Meter: RCYAGO water quality tester designed in 7-in-1 format. pH, TDS, EC, ORP, S.G, Salinity, and temperature can be measured simultaneously with high precision. The measurement range is large and wide and can measure freshwater salinity and sea salt. Omni-directional measurement of water quality to ensure the health of water quality.
  • High Accuracy: Highly sensitive probe gives you a full measurement range of 0-14 pH, 0.01 pH resolution. The digital pH meter has a data hold function and a low battery indicator function.
  • PH Meter with Automatic Temperature Compensation: Temperature can affect reading levels, our water meter’s automatic temperature compensation can ensure that you’re getting the best possible reading. Unlike other ph meters for water hydroponics that only have a range of 0 °C-50 °C, our ph meter for water hydroponics has an even better range of 0 °C-60 °C (32 °F-140 °F), so you can test with confidence in any environment.
  • Automatic Power-off Function & Large Screen Display: The automatic power-off function turns off the power after 5 minutes without any operation to save power. Employs a fully transparent liquid crystal (LCD) to display 4-digit values ​​and the corresponding physical quantity units.
  • PH Tester with Wide Application: Pocket-sized and multi-functional, Ideal for household and laboratory pH testing applications, including drinking water, swimming pool, pond, beer brewing, kombucha, aquariums, hydroponics, laboratory, food processing, etc.

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