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1 - 25 of 34
Hanna Instruments Checker Colorimeter Reagents

Hanna Instruments Checker Colorimeter Reagents

Reagent kit for 25 Chlorine tests Range: 0.00 to 2.50 mg/L

From $7.49
Marina Floating Thermometer w/ Suction Cup

Marina Floating Thermometer w/ Suction Cup

Feature(s): Centigrade and Fahrenheit For fresh and salt water Accurate and easy to read Safety zone indicator for most tropical fish Protects fish from unsafe temperatures

$2.49
Marina Floating Thermometer

Marina Floating Thermometer

Feature(s): Centigrade and Fahrenheit For fresh and salt water Accurate and easy to read Safety zone indicator for most tropical fish Protects fish from unsafe temperatures

$1.99
Coralife Digital Thermometer

Coralife Digital Thermometer

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...

$8.49
Neptune Conductivity Calibration

Neptune Conductivity Calibration

Conductivity Calibration Solution – 447.0 mS Use this calibration solution to calibrate your Conductivity Probe and PM2 for RO/DI water quality monitoring.

From $2.95
Zoo Med MagClip® Magnetic Suction Cups

Zoo Med MagClip® Magnetic Suction Cups

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...

$8.99
Coralife Deep Six Hydrometer Wide Range Specific Gravity Meter

Coralife Deep Six Hydrometer Wide Range Specific Gravity Meter

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 ...

$7.49
American Marine Pinpoint Salinity Calibration Fluid

American Marine Pinpoint Salinity Calibration Fluid

53.0 mS standardized fluid for calibrating the PINPOINT Salinity Monitor™

$9.49
American Marine Pinpoint pH Calibration Fluids - 5 Pack

American Marine Pinpoint pH Calibration Fluids - 5 Pack

Quantity: 5-pack American Marine PINPOINT High-Precision pH Calibration Fluids pH 4.000 +/- 0.002 These come in single-use plastic envelope packets, and they are extremely accurate and field portable. Each packet contains enou...

From $4.95
JBJ Digi-Temp Thermometer

JBJ Digi-Temp Thermometer

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...

$10.99
pH Buffer/Calibration Solution 500 ml

pH Buffer/Calibration Solution 500 ml

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...

From $11.99
Instant Ocean SeaTest Hydrometer

Instant Ocean SeaTest Hydrometer

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...

$13.49
Aquarius Thermometer, 70 - 84 F / 21 - 29 C

Aquarius Thermometer, 70 - 84 F / 21 - 29 C

Feature(s): Digital Liquid crystal (LCD) Fahrenheit - Centigrade 70F (21C) - 84F (29C) Blister packed on card

$1.99
American Marine Pinpoint AC Adapter Kit

American Marine Pinpoint AC Adapter Kit

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...

$10.49
AquaBus Cable (Male/Male) Neptune Systems Apex AquaController

AquaBus Cable (Male/Male) Neptune Systems Apex AquaController

3’ Male/Male AquaBus cable.  Used to connect an AquaBus module (PM1, EB8, etc) to another AquaBus Module or Apex base unit.

From $12.95
Fluval Living Sea Floating Hydrometer with Thermometer, C & F

Fluval Living Sea Floating Hydrometer with Thermometer, C & F

Hagen Living Sea Hydrometer with Thermometer—Small 20cm (8") Accurate Easy to read Thermometer—C & F

From $7.99
Digital Aquatics MLC Pod LED

Digital Aquatics MLC Pod LED

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 ...

From $9.99
Hanna Instruments Checker Colorimeter Calibration Sets

Hanna Instruments Checker Colorimeter Calibration Sets

0.00 and 1.00 ppm standards (iron) for Hanna Checker HI721: Iron Great for testing proper functionality of your Hanna Checker HI721 Checker.

From $11.49
Two Little Fishies AccuraSea Seawater Reference and Calibration Solution

Two Little Fishies AccuraSea Seawater Reference and Calibration Solution

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...

$11.99
Digital Aquatics Bus Cables

Digital Aquatics Bus Cables

Authorized bus cables from Digital Aquatics for your ReefKeeper Elite system

From $9.99
HM Digital pH Electrode Storage Solution

HM Digital pH Electrode Storage Solution

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...

$8.99
Hydra Aquatics Glass Hang-On Thermometer

Hydra Aquatics Glass Hang-On Thermometer

Hydra Aquatics Glass Hang-on Thermometer Hydra Aquatics glass aquarium thermometers are designed to hang on to the walls of rimless glass tanks between 3 and 8mm thick. These elegantly crafted glass thermometers are reliable, e...

From $14.99
American Marine Pinpoint ORP/REDOX Calibration Fluid 400mV - 5 Pack

American Marine Pinpoint ORP/REDOX Calibration Fluid 400mV - 5 Pack

Quantity: 5-pack 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...

$14.95
Fluval Sea Hydrometer

Fluval Sea Hydrometer

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...

$9.99
Digital Aquatics Salinity Probe Calibration Solution

Digital Aquatics Salinity Probe Calibration Solution

Digital Aquatics Conductivity Probe Calibration Solution (53 mS)

$7.99
1 - 25 of 34
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