Salinity Refractometer for Aquarium, Marine Monitoring, Saltwater Testing, Dual Scale Salinity Tester 0-100 PPT& 1.000-1.070 Specific Gravity Saline Seawater Refractometer Hydrometer with ATC

  • 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.
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Fluval Calcium Test Kit for Aquarium Water, Freshwater & Saltwater Fish Tank Test

  • Test calcium (Ca) and magnesium (Mg) level in water. Suitable for brackish water and seawater with the salinity higher than 5 part per thousand (ppt)..
  • For freshwater and marine aquarium and aquaculture, pond water, ground water, drinking water.
  • Ca range from 0 – 800 part per million (ppm) with the resolution of 40 ppm per drop. Mg range from 0 – 1725 ppm with the resolution of 50 ppm per drop..
  • Easy to use, accurate, fast test, economic.
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Coralife Size 32 BioCube Deluxe Reef Aquarium Bundle (14 Items)

  • This Deluxe Reef Aquarium Bundle w/ Rock combines 11 key products you will need to get your Coralife Size 32 LED BioCube Aquarium started. Along with the Size 32 LED BioCube Aquarium, you will get the following: the BioCube 32 Stand.
  • a NEW STYLE BioCube Protein Skimmer (V2) w/Needle Wheel.
  • CaribSea Seafloor Special Grade Reef Sand, 12 pounds.
  • Two Little Fishies AccuraSea 1 Salt, 30 gallons (we only include 6 of the five gallon packets)..
  • Also included are: Egg Crate, Black Styrene, 15." x 11.5".
  • Two Little Fishies Aquastik Aquarium Epoxy Putty, Red, 2 oz.
  • The Coralife Size 32 LED BioCube Aquarium features LED lighting and timer capabilities–taking it to the next level of all-inclusive aquariums. It has a compact and customizable filtration chamber, hinge-top canopy design, quiet submersible pump, dual intakes, adjustable return nozzle and clear glass back panel for easy refugium set-up. The Coralife BioCube NEW STYLE Protein Skimmer (V2) w/Needle Wheel is a step up from the old skimmer that used an airstone and an air pump. This Skimmer fits perf.
  • The BioCube Size 32 Aquarium Stand is built just for the BioCube 32. This....
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Water Quality Tester EZ-9909 5 in 1 Function Water Quality Testing Meter PH Salinity TDS EC Tester with Backlight for Aquaculture Drinking Water Swimming Pool

  • EZ Grow Systems 5in1 Water Multifunctional Tester can test PH, TDS,EC, salinity and temp of distilled water and drinking wate.
  • Water hardness test kit have been calibrated, It can be used normally for one year. Operation temp is 0.1-60 ℃ (32-140℉). the test error is....
  • Automatic temp compensation(ATC) Fast calculation, backlit LCD, Easy to read data, The water hardness test kit Small appearance, easy to carry.....
  • EZ Grow Systems 5 in 1 multifunctional water quality tester is suitable for drinking water, water osmotic system, hydroponic plants, aquarium water....
  • When LCD display is fuzzy, The battery needs to be replaced. The battery model is LR44, 1.5V*3,Pay attention to “+”&”-“..
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Hopstand

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

  • 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.
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Oakton - AO-35462-11 EcoTestr CTS Pocket Conductivity, Salinity, and TDS Meter

  • 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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Braxlee PoolMeter Digitally Tests Salt and PH Levels in Swimming Pools & Spas ~ 5 in 1 Functionality

  • Why limit yourself to just one digital test, when you can have FIVE? This multi-function all in one PoolMeter digitally checks your pool salt level instantly. No more waiting for results to ensure your pool has everything it needs to stay clean and balanced. Recommended salt levels are 2700-3400 ppm..
  • Braxlee Pool Meter also comes with the advanced feature to check your pool and spa PH levels. Pools and Spas should be between 7.2-7.8..
  • The 5 in 1 PoolMeter tests for Salinity, PH, TDS, EC, and Temperature and can also be used for many other applications including: measuring content of edible salt, seawater, koi fish pond, marine waters, and aquarium tank testing..
  • The large display feature with backlight will ensure easy reading of results. The automatic shutoff feature will help save battery and will store the memory of your last test. The small hydrometer is easy and light weight to carry around for any quick test..
  • We want this product to make your life easier and if you aren't satisfied or need an exchange for any reason we have a 30-day free return policy..
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JOR Refractometer, Dual-Range Scale Device to Measure Salinity and Specific Gravity of Saltwater Aquarium and Reef Tank, Provides Accurate Reading, No Batteries Required, 1 Set per Piece

  • Dual-Range Scale Refractometer --- A healthy saltwater aquarium requires a salinity balance or the salt concentration in aquarium water. Refractometer by JOR helps maintain this fundamental parameter in your saltwater aquarium or reef tank, measuring both salt percentage and specific gravity. This measuring tool has a scale range of 0 to 100%, where 1% means one part per thousand (PPT) or 1000 parts per million (PPM) and with a corresponding specific gravity range of 1.000 to 1.070..
  • Provides Accurate Measurement Reading --- Forget guessing and estimating. This handy refractometer features automatic temperature compensation that gives precise, faster and easier readings..
  • Easy To Use --- Place 2 to 3 drops of aquarium water on the glass, then close the plastic cover. Look through the eyepiece as you hold it under a light source. Check the reading. The blue line indicates the exact salinity level..
  • High Quality And Economical --- This premium quality handheld refractometer has an aluminum alloy body, rubber grip, and adjustable focus. It doesn’t corrode, and since it is analog, it can also save you money because it doesn’t need batteries to operate, sparing you from buying replacements..
  • Complete Care Set --- This portable measuring device c....
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Mares Puck Pro Plus Dive Computer Wrist Watch, White Black (414135-WHBK)

  • Super Intuitive, Easy-to-Use, Full-Featured RGBM Nitrox Computer, Larger-Display in Slimmer-Design, Upgradeable Firmware & Multi-Gas Capability..
  • Precision Stopwatch, Special Function Modes Air, Nitrox & Bottom Time, , Durable Metal Button, Upgraded Interface, Precautionary Programs Setting, Ascent Rate Indicator and Ascent Rate Digital Indicator..
  • Plan Mode, Backlighting, Log Book, 3-Level Salinity, Fresh Water Setting, Sea Water Setting, Aquarium Salinity Setting, Residual Nitrogen Memory Reset, Quartz Clock Movement..
  • User-Replaceable CR 2450 Lithium-Ion Battery, Fully Altitude Adjustable to 12,100' (3,700m) Memory Capacity 36 Hours, Superior Display Readability, Mineral Glass Crystal..
  • 492' (150m) Depth Rating, Power Indicators, Audible Alarms, Watch, Date and Temperature Displays, 12/24 Hour Formats, Two-Different Gas Mixtures During-Single-Dive, Metric or Imperial Units of Measure..
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API Freshwater Master Test Kit

  • HIGH-QUALITY AQUARIUM TEST KIT: Our Aquarium strips are about 20% wider than other brands, Each test strip is made of high-quality fiber paper and NO COLOR BLEEDING pad, keep your fish healthy and safe with test strips.
  • UNIQUE PACKAGING DESIGN: 100 pieces of fish tank test strips. The aquarium water test kit contains 50 test strips in a bottle and 50 refills in a sealed aluminum foil bag. Easy to store and carry, prevent invisible water problems harmful to fish and cause fish loss.
  • EASY AND FAST: Our Aquarium Test Strips just soak in water for 2 seconds, then take it out, hold the test strip horizontally for 60 seconds, compare with the color chart on the bottle within 30 seconds to obtain clear and accurate water quality results..
  • FRESHWATER AQUARIUM TEST KITS APPLICATION SCENE: saltwater fish tank ,Tropical Fish Tank ,Breeder Tank, Pond, Betta Tank, Shrimp Tank ,freshwater Tank and other water aquarium.monitor your aquarium’s water quality ,To keep your aquarium or pond healthy and look vigorous.
  • 6 IN 1 AQUARIUM TESTING KIT: Water testing strips aquarium provide instant testing for Aquarium Freshwater,and can capture Nitrate, Nitrite, General Hardness(GH), Free Chlorine, PH, Carbonate(KH) in water for testing,fast and easier to dip and match to get a....
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Dissolved Oxygen Meter,Portable Oxygen Meter Range:0-40mg/L,Dissolved Oxygen Test Kit with Electrode Filling Fluid,Aquarium Water Test Kit

  • ...tic organisms.So dissolved oxygen meter is very important for aquaculture,biological reactions,ponds..
  • ‍♂️Dissolved oxygen meter can be used to measure and monitor processes where oxygen levels can affect reaction rates, process efficiency or the environment:e.g.aquariums,swimming pools,teaching experiments, laboratory sterile environments,scientific research,environmental testing (lakes, streams, oceans),Wastewater treatment, wine production and other fields..
  • Oxygen solubility will be affected by temperature, atmospheric pressure, and salinity.Our dissolved oxygen meter with automatic temperature compensation,temperature compensation of 0-40 ℃ can meet normal use.Dissolved oxygen meter digital screen display with backlight makes data reading more clear and convenient.Auto power-off in 8 minutes if not using it and can low battery indication..
  • Compact pen-shape design of oxygen analyzer, lightweight for mobility,In order to better take care of the small pets in our family water, they can become healthier.The aquarium water test kit is a good choice.Through dissolved oxygen test kit you can test water anywher&#....
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Haofy Saltwater Tester, Pen Type Digital Salinity Meter, Salinity Refractometer Probe Sensor Tester Monitor Measurement Checker for Water Quality Pond Pool Aquarium Saltwater Seawater Drinking Water

  • High Quality Material: The salinity meter adopts high-quality ABS material, which is firm, wear-resistant and long service life. The mini size allows you to easily put it in your pocket and measure it anytime, anywhere. Whether you take it to a swimming pool, beach or camping, it can help you test..
  • Measurement Index: 0~199.9ppt :-50℃-70℃(-58℉) Accuracy ±2%F.S , the test head can be placed in the liquid to be tested..
  • Two Modes: The salt water pool tester has two modes, which can be switched arbitrarily between Celsius and Fahrenheit. With automatic temperature compensation, the range is 0-50 (℃)..
  • Easy Reading with LCD Backlight: There is no need to worry about seeing the displayed value if the light is insufficient. Our water tester has luminous digital display, which can help you see the measurement results clearly in any case..
  • Wide Applications: There are various purposes for the salinity tester. This instrument can not only detect the salt water pool and koi fish pond, but also the salinity of seawater, marine, salt water fish tank salt level testing..
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