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Apex Conductivity/Salinity Calibration Solution 53000 uS - Neptune Systems
Neptune Systems$2.95Use this calibration solution to calibrate your Conductivity Probe and PM2 for salinity monitoring. -
HI98319 Salinity & Temperature Tester - Hanna
Hanna Instruments$89.99We are pleased to announce our NEW HI98319 waterproof salinity and temperature tester! Waterproof and floats! Includes 4x of the Salinity Calibration Fluid Packets. Automatic Calibration – A 35.00 ppt solution is used for calibration and... -
Salinity Refractometer - Generic
All Misc Brands$19.99It is designed for testing the concentration of salt water and brine and used for quality control in research and clinical laboratories and marine industry. Its scale provides a direct reading of the specific gravity and concentration (part per Thousand)... -
Digital Seawater Refractometer MA887 - Milwaukee
Milwaukee Instruments$114.00This refractometer does not come with a case or battery. The new Milwaukee MA887 Seawater Digital Refractometer encompasses 3 different types of user selected scales for the measurement of seawater providing for a much more precise evaluation. Each... -
35 ppt Salinity Calibration Solution Packs HI70024P (25 x 20 mL) - Hanna Instruments
Hanna Instruments$32.99HI70024P is a premium quality 35.00 ppt salinity calibration solution that is NIST traceable and contained in portable single-use sachets. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring... -
Apex Lab Grade Salinity/Conductivity Probe - Neptune Systems
Neptune Systems$209.99Start measuring salinity in your tank and get alerts when out of range. Buy this probe if you are: Replacing an old probe. Adding salinity monitoring to your system via a PM2. -
HI97115UC Bluetooth Marine Master Multiparameter Checker - Hanna Instruments
Hanna Instruments$449.99One Meter to RULE THEM ALL! Marine Master Waterproof Wireless Multiparameter Photometer w/Bluetooth Connection to the Hanna App where you can save your results. pH (HI780) Alkalinity (HI772) Ammonia (HI784) Calcium (HI758) Magnesium... -
35ppt (1.026sg) Refractometer Calibration Solution (1.25 oz) - Fritz
Fritz Aquatics$6.39Pre-measured refractometer calibration solution takes the guesswork out of properly calibrating your instrument - with no need for expensive or unreliable measuring equipment. A refractometer is essential to the saltwater hobbyist for success. Maintain... -
Apex Conductivity/Salinity Calibration Solution 53000 uS (5 Pack) - Neptune Systems
Neptune Systems$15.99Use this calibration solution to calibrate your Conductivity Probe and PM2 for salinity monitoring. (5 Pack) -
Digital Seawater Refractometer MA887 w/Protective Case - Milwaukee
Milwaukee Instruments$136.00This refractometer does come with a black or blue protective case. The new Milwaukee MA887 Seawater Digital Refractometer encompasses 3 different types of user selected scales for the measurement of seawater providing for a much more precise evaluation... -
Hydrometer - Tropic Marin
Tropic Marin$36.65NOTE: The specific gravity is temperature dependent. With increasing temperature the specific gravity decreases. Therefore, the measured water temperature should be 25 °C / 77 °F to obtain a correct result.For an exact, reliable measure of... -
Apex PM2 - Salinity, Temperature, I/O Expansion Module - Neptune Systems
Neptune Systems$94.99Maintaining consistent salinity in your aquarium is key to the well being of every organism inside it. And, as busy as we sometimes are, we don’t even realize our parameters are out of whack until it’s too late. With this module, your Apex... -
LED Lighted Salinity Refractometer
All Misc Brands$34.95Lighted Refractometer uniquely design incorporates LED technology to illuminate the scale without the need of ambient light. It is designed for testing the concentration of salt water and brine and used for quality control in research and clinical... -
Salinity Refractometer Calibration Fluid, 53.0mS/1.026SG - American Marine
American Marine$8.9953.0 mS standardized fluid for calibrating the PINPOINT® Salinity Monitor with conversion chart -
Seawater Refractometer - Red Sea
Red Sea$74.99Main features of Red Sea’s Seawater Refractometer include:Directly reads the absolutesalinity ofseawaterat25°C/77 0F ( No need for seawater or temperature compensation factors)Specifically designed for the ionic content of seawater (NSW) for... -
AccuraSea Refractometer Calibration Solution (250 ml) - Two Little Fishies
Two Little Fishies$11.99Do you think it’s important to maintain salinity precisely? We’re with you. That’s why we created AccuraSea Seawater Reference Solution, the only calibration solution of its kind made from real seawater. It’s pure natural sea... -
Refractometer Calibration Standard (60 ml) - Brightwell
Brightwell Aquatics$5.04Refractometer & Hydrometer Calibration Standard 1.0264 Specific Gravity 1.3394 Refractive Index 35 ppt Salinity 53 uS/cm at 25 deg c Overview Brightwell Aquatics Aquarium Reagents Refractometer & Hydrometer Calibration Standard is... -
ATC Seawater Refractometer - DD Aquarium Solutions
D-D Aquatics$69.99Almost all, if not all, of the refractometers currently available to the aquarium hobby are designed for measuring saltwater (sodium chloride or brine solution) and not true ‘seawater’. Although seawater is mostly sodium chloride it also... -
Digital Refractometer for Seawater Analysis (HI96822) - Hanna Instruments
Hanna Instruments$249.99The HI96822 is a rugged, portable digital refractometer designed for the measurement of salinity of natural or artificial seawater. The HI96822 displays results in three popular measurement units: Practical Salinity Units (PSU), salinity in parts per... -
MC811US MAX pH/EC/Temp Monitor - Milwaukee
Milwaukee Instruments$199.00Why Guard when you can Monitor! The Milwaukee MC811 MAX pH/EC/Temp Monitor lets you monitor your pH/EC/Temp levels 24/7 automatically. RANGE: 0.0 - 12.0 pH | 0.00 to 5.00 mS/cm | 14.0°F to 140.0°F RESOLUTION: 0.1 pH | 0.01 mS/cm |... -
HI981520 Hanna Marine Monitor pH, Marine Salinity, Temperature - Hanna Instruments
Hanna Instruments$299.99Monitoring the salinity, pH and temperature of the water is an important routine in the maintenance of a marine aquarium or marine aquaculture. The Hann HI981520 is an easy-to-use monitor that continuously monitors and displays salinity (via... -
(HI98304) DiST4 Waterproof Electrolytic Conductivity (EC) Tester - Hanna Instruments
Hanna Instruments$79.99The DiST® 4 features a large multi-level LCD which displays both conductivity and temperature readings simultaneously. The EC readings are displayed with a 0.01 mS/cm resolution and with an accuracy of ±2% full scale. The EC range of the... -
PINPOINT® AC Adapter Kit 110 VAC - American Marine
American Marine$11.95PINPOINT® AC Adapter Kit (available in 110 VAC of 220 VAC) is optional to replace the 9-volt battery, which some monitor owners find convenient when monitoring full time. This AC Kit now contains special electronic filtering to avoid electrical... -
FOWLR Deluxe Saltwater Test Set (HI98319, 781, Salifert PO4)
Salifert$129.99Hanna Salinity/Temperature Checker - HI98319 Salinity/Temperature Meter - Each meter is supplied with: CR2032 battery (inside the meter), Storage / Protection sleeve, Instruction manual, Quality certificate, and 35.00 ppt calibration standard sachet (4... -
Reef Tank Beginner Saltwater Test Set
Salifert$119.99Generic Refractometer - It is designed for testing the concentration of salt water and brine and used for quality control in research and clinical laboratories and marine industry. Its scale provides a direct reading of the specific gravity and... -
FOWLR Beginner Saltwater Test Set (Refractometer, Salifert NO3, PO4)
Salifert$65.99Generic Refractometer - It is designed for testing the concentration of salt water and brine and used for quality control in research and clinical laboratories and marine industry. Its scale provides a direct reading of the specific gravity and...