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...
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...
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
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...
0.00 and 1.00 ppm standards (iron) for Hanna Checker HI721: Iron
Great for testing proper functionality of your Hanna Checker HI721 Checker.
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...
Digital Aquatics MLC Pod Tech Specs Requires an RKM-MLC or RKM-ALC to operate LED Color: Available in Nocturnal Blue and Lunar White LED Viewing Angle: 100 degrees Nocturnal Blue LED Output: 240mcd per LED Nocturnal Blue ...
Digital Aquatics Conductivity Probe Calibration Solution (53 mS)
Reagent kit for 25 Iron Tests Range: 0.00 to 5.00 mg/L
HANDHELDS ZT-2: Basic TDS TesterTDS-EZ: Economy TDS TesterTDS-3: TDS Meter with CaseEC-3: Conductivity Meter with CaseTDS-4: Pocket-Size TesterTDS-4TM: Pocket-Size TDS/TemperatureAP-1: AquaPro Water Quality Tester (TDS)AP-2: Aqua...
PINPOINT Electrode Storage Fluid (60ml) PINPOINT Probe storage fluid for pH and ORP/REDOX Probes This is the perfect fluid for the storage of any pH or ORP/REDOX Electrode. American Marine Probe Storage Fluid will keep the tip ...
Reagent kit for 25 Chlorine tests Range: 0.00 to 2.50 mg/L
Authorized bus cables from Digital Aquatics for your ReefKeeper Elite system
Switch Adapter Kit for Digital Aquatics Reef Keeper
Allows you to connect a variety of switch inputs on your SL1 and SL2 ports.
Compatible with both the ReefKeeper Elite and ReefKeeper Lite systems.
Cable Length is 6`. C...
American Marine Pinpoint Conductivity Fluid 60ml PINPOINT® Conductivity Calibration Fluid 60ml 45.0 µS standardized fluid for calibrating the PINPOINT® Conductivity Monitor