Reagent kit for 25 Marine Alkalinity Tests Range: 0.00 to 250 mg/L
Reagents for phosphate LR (low-range), ascorbic acid method. For use with Hanna Instruments Checker Phosphate Colorimeter. Range: 0.00 to 2.50 mg/L
Kit for 25 Tests
Ideal for aquariums and terrariums. Readings in 0.1 degrees Fahrenheit or Celsius. Temperature range -10 degrees F to 140 degrees F (-23 degrees C to 60 degrees C). Mounting suction cups and battery included. 39 inch long temperat...
Reagent kit for 25 Marine Calcium Tests The reagent has a part A (liquid) and part B (powder).
For use with Hanna Instruments Checker Marine Calcium Colorimeter ( HN1187 )
Hanna HI736-25 Reagent: Phosphorus, ultra low range (ULR), ascorbic acid, reagents for 25 tests
Zoo Med MagClip Industrial strength MAGNETIC suction cup with interchangeable clips Never replace your suction cups again!
Includes 6 assorted sizes of nylon clips to hold all types of aquarium accessories like pH probes, ORP...
Digital clock/thermometer with illuminating light. Accurate measurement of aquarium water or room temperature in F or C. Lifegard Aquatics Little Time & Temp Digital Clock and Temperature Indicator with backlit display and ba...
The re-designed deep six hydrometer with improved calibration and bubble diffuser ensures more accurate readings of your aquarium salt levels. Also includes a built in base so you can rest the hydrometer on a counter top or other ...
53.0 mS standardized fluid for calibrating the PINPOINT Salinity Monitor™
Hagen Living Sea Hydrometer with Thermometer—Small
Easy to read
Thermometer—C & F
Handheld TDS Meter 0-9990 with ATC & Temp, in vinyl carrying case The world’s most popular TDS meter, the TDS-3 is the most reliable and longest lasting meter of its kind. It has a wide range of 0-9990 ppm has a hold button...
Instant Ocean Hydrometer`s new improved design delivers precise full-range salinity and specific gravity readings - accurate to 0.001 - every time. Easy-fill convenience keeps hands dry when filling. It has a durable, permanent ne...
Milwaukee Protective Hardshell Case for Milwaukee Refractometers and Photometers
Calibration solution for pH monitors or controllers. pH 10.0. 500mL.
**Variations of this product can be found in many online stores. The version we carry is of the highest quality. Although this item is eligible for price...
3’ Male/Male AquaBus cable. Used to connect an AquaBus module (PM1, EB8, etc) to another AquaBus Module or Apex base unit.
American Marine PINPOINT AC Adapter Kit™ (110vac) The AC adapter kit is optional to replace the 9-volt battery, which some monitor owners find convenient, especially for PINPOINT pH and PINPOINT ORP monitors. Note: Not comp...
AccuraSea® Seawater Reference Solution is the only calibration solution of its kind made from real seawater. It’s pure natural seawater micron filtered and UV sterilized then adjusted with reverse osmosis water to match the standa...
Digi-Temp Digital Thermometer Checking your tank’s temperature has never been easier! This stylish thermometer offers a constant digital display with +/- 1 Fahrenheit accuracy. They’re also completely wireless and submersible. P...
Great for many uses: Including securing Air Lines, ATO`s, Hoses, Probes, Float Switches, Heaters, Spray Bars and Much More. The list is virtually endless.
Package includes one Mag-Tastic Aquarium Magnetic Holder
Pocket Sized TDS Meter w/ digital thermometer in aquarium-specific packaging. The world’s smallest and lightest TDS meter also comes with a built-in digital thermometer. It is a true pocket size meter, comfortably fitting into...
Conductivity Calibration Solution – 447.0 mS (5-pack)
Use this calibration solution to calibrate your Conductivity Probe and PM2 for RO/DI water quality monitoring.
0.00 and 1.00 ppm standards (iron) for Hanna Checker HI721: Iron
Great for testing proper functionality of your Hanna Checker HI721 Checker.
The American Marine ORP / REDOX Calibration Fluid 400 mV is convenient and easy to use: no mixing is required and highly accurate. Packaged in single--use plastic foil pouches similar to PinPoint pH calibration...
The Digital Aquatics temp probe is used with all Digital Aquatics controllers as well as modules. It currently comes in two styles, one with an RJ-11 connection and the other with a Molex connection. The different probe styles fun...
Fluval Sea Hydrometer provides an accurate and convenient method of measuring specific gravity and salt level in marine aquariums. Regular testing is strongly recommended as stable salinity levels are essential for the health of m...