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American Marine Pinpoint pH Calibration Fluid

American Marine Pinpoint pH Calibration Fluid

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 enough fluid for a compl...

From $0.99
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 $6.50
Hanna Instruments Checker Colorimeter

Hanna Instruments Checker Colorimeter

The HANNA HI 711 Checker HC bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits are not very accurate and only give 5 to 10 points resolution while professional instrumentation ca...

From $49.00
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
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
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
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...

$8.99
American Marine Pinpoint ORP / REDOX Calibration Fluid 400mV

American Marine Pinpoint ORP / REDOX Calibration Fluid 400mV

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 fluids. For test re...

$2.99
Marine Depot Aquarium Refractometer

Marine Depot Aquarium Refractometer

The Refractometer is a must have for all aquarium hobbyists. The proper salinity is crucial for the survival and health of your fish and corals . This high quality refractometer is extremely accurate and easy to use and calibr...

$49.99
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
Red Sea Seawater Refractometer

Red Sea Seawater Refractometer

High Accuracy Seawater Refractometer! Red Sea’s Seawater Refractometer offers exceptional accuracy, for measuring the absolute salinity of seawater at a temperature of 25°C/77°F. Most refractometers used within the aquariu...

$59.99
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
Marine Depot Aquarium Pro Refractometer

Marine Depot Aquarium Pro Refractometer

Designed specifically for aquarium use to measure the salinity of natural sea water (NSW). Most handheld saltwater refractometers available in the hobby are designed and calibrated for testing brine solution, i.e. sodium chlorid...

$64.99
Lifegard Aquatics Little Time Or Temp

Lifegard Aquatics Little Time Or Temp

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...

$22.49
Neptune Systems Magnetic Probe Rack (MPR)

Neptune Systems Magnetic Probe Rack (MPR)

The newly announced MPR - Magnetic Probe Rack is the perfect product for anyone with an existing Apex or those just now picking one up. The MPR has four locations for probes so customers can rig up their pH, ORP, salinity, and tem...

$39.95
Neptune Systems pH Probe

Neptune Systems pH Probe

Feature(s): Precision of +/- .01 10` coax cable Sealed Ag/AgCI reference. Standard BNC connector

From $44.95
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 ...

$7.99
Hanna Instruments Checker pH Pen

Hanna Instruments Checker pH Pen

High accuracy with 0.01 pH resolution Two point fast and accurate calibration Usable with virtually any electrode that shares the same connector 3000 hours of battery life HI 1270 small diameter probe fitseasily into a ...

$35.00
American Marine Pinpoint pH Probe

American Marine Pinpoint pH Probe

PINPOINT ™ pH Replacement Probe is designed especially with your purpose in mind. It features long, continuous duty expectancy, fast response and, most importantly, is non-toxic to your system. Each probe features a 10 foot ca...

$39.49
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
Neptune Systems DOS - Dosing and Fluid Metering System

Neptune Systems DOS - Dosing and Fluid Metering System

A multi-purpose dosing and fluid delivery system of uncompromising quality combined with the simplicity of Apex Fusion software wizards for operations such as: 2-part dosing (Calcium and Alkalinity) Other additives dosing Aut...

$299.99
Aqua Medic Aquarium Water Testing Marine Lab Test Kit

Aqua Medic Aquarium Water Testing Marine Lab Test Kit

Ultra-High Accuracy & Precision Laboratory Grade Mail-In Water Testing Service. Marine Basic Lab Test series for saltwater aquariums tests 13 important aquarium water parameters. Kit includes two empty sample bottles...

From $46.99
Neptune Systems Apex Gold AquaController System

Neptune Systems Apex Gold AquaController System

The Apex System is the best-value aquarium controller on the market today. Dollar for dollar you will not find a higher-quality controller that gives you more features, is easier to use, or has a larger and more active user base...

$799.95 $699.95
Milwaukee Seawater Digital Refractometer

Milwaukee Seawater Digital Refractometer

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 scale is temperature compensated. ...

$120.49
Won Brothers PH D-1500 Temperature Controller

Won Brothers PH D-1500 Temperature Controller

The Won Brother PH D-1500 temperature controller can be used with heaters, heating elements or chillers. This single-stage temperature controller can be used with heaters up to 1500W or chillers up to 3/4HP. The controller include...

$89.99
1 - 25 of 146
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