Top Salinity Levels

The EC Reader - 1950 - Birth of the New Trend (The Chronological EC Comics Review)

ISTA Saltwater Hydrometer - Aquarium Fish Tank Reef Soft Coral Marine Supplies

• ●Provide precise salinity reading. ●Easy in operation and salinity reading. ●Smooth water flow design prevents the attachment of fine bubbles to increase measurement accuracy..

Extech DO700 Portable Dissolved Oxygen Meter

• Measures dissolved oxygen concentration/saturation, pH, mV, conductivity, TDS, salinity, resistivity and temperature.
• Automatic salinity compensation and manual barometric pressure compensation for DO measurements.
• One button pH calibration (4, 7, and 10pH).
• Choice of 3 point pH calibration for better accuracy.

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..

AquaticHI Aquarium Refractometer for Saltwater/Brackish/Marine/Reef Tank Testing, Automatic Temperature Control, Salinity (0-100ppt) and Specific Gravity (1.000-1.070) (Standard Kit)

• ⭐️ DUAL SCALE REFRACTOMETER: Measures in Salinity 0 - 100ppt and Specific Gravity 1.000 - 1.070.
• ⭐️ IDEAL APPLICATIONS: Aquariums, Marine Monitoring, Agricultural, Gardening & Educational Purposes (Biology Projects).
• ⭐️ AUTOMATIC TEMPERATURE COMPENSATION (ATC): Automated to provide accurate measurements even with temperature fluctuations.
• ⭐️ AFFORDABLE high quality while providing ⭐️ PROFESSIONAL testing equipment standards, accurate even at low salt levels.
• ⭐️ STANDARD PACKAGE INCLUDES: 1 Refractometer, 1 Hard Carrying Case, 1 Calibrating Screw Driver, 1 Pippet, 1 Cleaning Clothe, 1 Instruction Manual.

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..

AZ-86031 5 in 1 Water Quality Meter Dissolved Oxygen Tester PH Meter PH Conductivity Salinity Temperature Meter AZ86031

• The 86031 Combo Water Testing Meter can measure the pH, Conductivity or TDS or Salinity and Dissolved oxygen depend on which kind of probe attach to the meter or user could attach three kinds of probes at the same time. So the 86031 Multiple Parameters Water Testers could be operated as the pH meter, conductivity meter, TDS meter, Salinity meter or D.O. meter as user needed..
• We design different color connector on the meter, user only needs to screw on the probe with the same color, and then get the measuring reading accurate and fast..
• User could change the probe or screw on the 86031 Combo Water Quality Measuring Instrument easily. And in order to avoid broken by the stone or particle attacking in the measuring environment, we have developed the specific anti-collision cap on each probe. So the 86031 Combo Water Testing Meter would be the best tool for all professional measuring purposes, including the Aquaculture, Aqua farm, LAB, swimming pool or water treatment business, or other related industry, no matter the fresh or sea water..
• AZ 86031 Combo Water Meter- pH/Conductivity/Salt/TDS/D.O was being designed and manufactured by AZ Instrument, a well experienced manufacturer for pH EC Meter..
• Large LCD to display multiple parameters simultaneously: pH,....

AMTAST Waterproof pH/ORP/Conductivity/TDS/Salt/Temp Tester ORP Probe Meter

• ※ LARGE LCD DISPLAY: pH, ORP, Conductivity, TDS, Salinity and Temperature simultaneously. Displays Maximum/Minimum value and data hold..
• ※ Automatic Temperature Compensation (ATC) and degree ℃/℉ switchable..
• ※ Waterproof IP-57 standard and rugged design for field use conveniently. It can float on water..
• ※ Simple to calibrate by one keyboard. Low battery and consumption indicator. Auto shut off after 10 minutes of non use..
• ※ APPLICATION: Wide range of performing multifunctional testing on pH, ORP(mV), Conductivity(us), TDS(ppm), Salinity(ppm) and Temperature with a replaceable electrode. Note: This meter has ORP(mV) testing function..

Ade Advanced Optics aaosal Professional Automatic Temperature Compensation Sea Water Salinity Refractometer for Aquarium, Hydrometer, 0-100 ppt and 1.000-1.070 Salinity S.G.

• Resale quality - 50 percent heavier than the soft case cheap units.
• Automatic temperature compensating refractometer.
• Aircraft aluminum body, premium optical lens, rubber eye guard.
• Dual salinity scale - 0-local stock for fast shipment 100Ppt & 1.000-1070 salinity sg.

AquaticHI Aquarium Refractometer w/LED for Saltwater/Brackish/Marine/Reef Tank Testing, Automatic Temperature Control, Salinity 0-100ppt & Specific Gravity 1.000-1.070 (Premium Kit w/LED)

• ⭐️ DUAL SCALE REFRACTOMETER: Measures in Salinity 0 – 100ppt and Specific Gravity 1.000 – 1.070.
• ⭐️ IDEAL APPLICATIONS: Aquariums, Marine Monitoring, Agricultural, Gardening & Educational Purposes (Biology Projects).
• ⭐️ AUTOMATIC TEMPERATURE COMPENSATION (ATC): Automated to provide accurate measurements even with temperature fluctuations.
• ⭐️ AFFORDABLE high quality while providing ⭐️ PROFESSIONAL testing equipment standards, accurate even at low salt levels.
• ⭐️ PREMIUM PACKAGE INCLUDES: 1 Refractometer with LED (CR1220 3V battery included) installed on plate prism, 1 spare plate prism (without LED), 1 Hard Carrying Case, 1 Calibrating Screw Driver, 3 Pippet, 1 Cleaning Clothe, 1 Instruction Manual.

AMTAST Portable Dissolved Oxygen and Temperature Meter DO Sensor Dissolved Oxygen Levels Tester DO Range 0~20.00 mg/L 0~20.00 ppm

• LCD Displays DO or Saturation O2 and Temperature simultaneously. Displays Maximum/Minimum value and data hold..
• Ideal for measuring dissolved oxygen levels and temperature in wide range, aquarium, school teaching experiment, lab sterile environment, aquaculture, scientific research etc..
• Automatic Temperature Compensation, Manual Salinity (MSC) and Altitude (MAC) Compensation, and degree ℃/℉ switchable. Icon DO O2 and unit mg/L, ppm, %, ℃, ℉ for recognition easy during select function mode. Easy to replace DO probe module by user..
• Waterproof IP-57 standard and rugged design for field use conveniently. It can float on water..
• Low battery and consumption indicator (Batteries NOT Included). Auto shut off after 10 minutes of non use. Note: The display could not auto shut off under MAX/MIN mode..

Pen Type Salinity & Temperature Meter ATC NaCl Salt Water Quality Tester for Saltwater Aquarium Hydroponics Food

• MEASURING RANGE: 0~9999 ppm or 10.0ppt~100.0ppt or 0.0%~10.0% or 0.950~1.080 (S.G.) based on NaCl with ±%F.S ±1 digit / ±0.5°C Accuracy.
• DISPLAY: Dual Temperature and Salinity in four measurement units (ppm, ppt, %, S.G) / 30 x 18mm LCD Size.
• APPLICATION: Salinity measurement in fish pond, tank, aquariums, laboratories, food processing, hydroponics, Aquaculture, and other water monitoring facilities..
• FEATURES: Waterproof IP65 / One touch calibration / Auto power off and Non-Sleep mode disable / Multi points calibration.
• POWER SUPPLY / SENSOR : 4 x LR44 button batteries.