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Hanna Instruments Checker Phosphate Colorimeter

Hanna Instruments Checker Phosphate Colorimeter

Orthophosphates are found in natural and wastewaters. They are commonly added to drinking water as a corrosion inhibitor. The instantaneous analysis of orthophosphate by colorimetric determination provides rapid results using a st...

$49.00
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
Hanna Instruments Checker Marine Calcium Colorimeter

Hanna Instruments Checker Marine Calcium Colorimeter

Calcium presence in water supplies results from passage over deposits of limestone, dolomite, gypsum and gypsiferous shale. Its concentration may extend from 0 to several hundred milligrams per liter,depending on its source and ...

$49.00
Hanna Instruments Checker Marine Alkalinity Colorimeter (PPM)

Hanna Instruments Checker Marine Alkalinity Colorimeter (PPM)

The HANNA Alkalinity Checker bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits are not very accurate and have low resolution while professional instrumentation can cost hundr...

$49.00
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
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
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
Hanna Instruments Checker Marine Alkalinity Colorimeter (dKH)

Hanna Instruments Checker Marine Alkalinity Colorimeter (dKH)

The Hanna Marine Alkalinity (dKH) Checker® bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits have limited accuracy and resolution since they rely upon the human eye to discern d...

$49.00
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
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
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
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
American Marine Pinpoint pH Monitor

American Marine Pinpoint pH Monitor

Protect your investment with American Marine Pinpoint Controllers & Monitors Using the most current technology and design, American Marine controllers and monitors have become the most respected line of digital instruments ...

$94.99
Lifegard Aquatics Big Digital Temperature Alert

Lifegard Aquatics Big Digital Temperature Alert

Large face digital thermometer with alert feature. Display both aquarium water temperature and room temperature in degrees Fahrenheit. Has 4 alert features. Alarm will sound and LED flashes: high temp alert only, low temp alert on...

$39.49
Neptune Systems Energy Bar 8 Expansion Unit (EB8)

Neptune Systems Energy Bar 8 Expansion Unit (EB8)

Neptune Systems EnergyBar 8 The EnergyBar 8 module from Neptune Systems features 8 independently controllable outlets. With power failure detection, active electrical current monitoring, and failsafe features make this power ...

$159.95
Hanna Instruments Checker Phosphorus Ultra Low Range Colorimeter

Hanna Instruments Checker Phosphorus Ultra Low Range Colorimeter

Hanna Checker HI736 - Phosphorus Ultra Low Range Checker he Hanna Checker® bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits are not very accurate and only give 5 to 10 poi...

$49.00
Digital Aquatics pH Probe w/ Calibration Packets

Digital Aquatics pH Probe w/ Calibration Packets

Digital Aquatics pH Probe w/Calibration Packets Resolution 0.01 pH Cable Length 4 feet Connection Type Male BNC Included Calibration Packets 1 x 7pH calibration packet 1 x 10pH calibration packet Manufacture...

$39.99
Neptune Systems Apex Automatic Feeding System (AFS)

Neptune Systems Apex Automatic Feeding System (AFS)

The Automatic Feeding System (AFS) is the only automatic fish feeder designed specifically to work with the Apex AquaController. Not only does it seal your food to keep it dry, but it meters out small amounts of food on the schedu...

$99.95
Neptune Systems Apex AquaController PM1 pH or ORP, Temperature, I/O Expansion Box

Neptune Systems Apex AquaController PM1 pH or ORP, Temperature, I/O Expansion Box

The first expansion module, the PM1, with a pH or ORP, temperature, and 6 digital inputs. 4 in 1 goodness with this module! The PM1 probe module is just what you need if you want to monitor pH or ORP in your tank. And, the...

$84.95
Neptune Systems Apex Ecotech Marine Wireless Expansion Module (WXM)

Neptune Systems Apex Ecotech Marine Wireless Expansion Module (WXM)

The Wireless Expansion module allows for truely flexible control of Ecotech Marine Vortech and EcoSmart wireless pumps. The WXM features are: Wirelessly controls any of Ecotech`s wireless pumps (WWD or EcoSmart ). 11 Inde...

$124.95
Neptune Systems Standard Grade pH Probe

Neptune Systems Standard Grade pH Probe

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

$44.95
Neptune Systems Lab Grade pH Probe

Neptune Systems Lab Grade pH Probe

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

$69.95
Neptune Systems I/O Break Out Box for Apex, Apex Lite, AquaController 3, or AquaController 3 Pro

Neptune Systems I/O Break Out Box for Apex, Apex Lite, AquaController 3, or AquaController 3 Pro

Easily add float switches, water on the floor sensors, etc. to the Apex, Apex Lite, Apex Jr (either PM1 or PM2 module also required) , AquaController 3, or AquaController 3 Pro. Simply plug the Breakout box`s minidin 8 cable into...

$39.95
Neptune Systems AquaController Apex Jr w/ Display & Temperature Probe

Neptune Systems AquaController Apex Jr w/ Display & Temperature Probe

Apex Jr System The Apex Jr System delivers a professional quality controller at hobbyist prices. Built-in Ethernet Integrated Ethernet port Most advanced web server available Interactive graphing application in the ...

$239.95
Hanna Instruments Checker Plus pH Tester

Hanna Instruments Checker Plus pH Tester

The HI98100 Checker Plus is the next generation of the original Hanna Checker pH tester. The Checker is the most popular pH meter in the world with over 1 million meters used since its introduction in 1991. From students to resear...

$40.00
1 - 25 of 82
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