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151 - 144 of 144
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
JBJ TrueTemp Digital Heater Controller

JBJ TrueTemp Digital Heater Controller

JBJ TrueTemp Digital Heater Controller JBJ`s TrueTemp digital heater controller is the most accurate & precise controller available. Plus/Minus 0.5F Accuracy 0-99.9F Temperature Range HIGH & LOW Temperature ...

$84.99
Neptune Oxygen Probe with 10 foot Cable

Neptune Oxygen Probe with 10 foot Cable

Oxyguard Dissolved Oxygen Probe 0 to 19.9 ppm Lab quality probe w/ 10ft cable Temperature, Altitude, and Salinity Compensation Mini Din 6 Connector PC Serial Cable In order to connect the AquaController to a PC, ...

$499.95
Digital Aquatics RKM-APC Advanced Pump Controller

Digital Aquatics RKM-APC Advanced Pump Controller

Digital Aquatics APC (Advanced Pump Control) Module Create a Safe, Natural Environment Digital Aquatics’ Advanced Pump Controller (APC) module helps you create a safe and natural environment for your fish and coral by givi...

$129.99
Hanna Instruments 1382 ppm TDS Solution 20 ml Sachet (25pcs)

Hanna Instruments 1382 ppm TDS Solution 20 ml Sachet (25pcs)

TDS solution are produced with high-quality potassium chloride in various concentrations. They are standardized using a conductivity meter calibrated with NIST potassium chloride. HANNA instruments is one of the few producers to ...

$26.49
Hanna Instruments pH Electrode Ultem Body, Dbl Junction, Gel Filled, Teflon Junction, BNC, 1m Cable

Hanna Instruments pH Electrode Ultem Body, Dbl Junction, Gel Filled, Teflon Junction, BNC, 1m Cable

Spare pH electrode, with Teflon ® junction, 2 m (6.6') cable, for general purpose, water treatment and agriculture.

$51.49
Hanna Instruments pH Combination Electrode, Ultem body, Double Junction, Gel-Filled, BNC, 1m Cable

Hanna Instruments pH Combination Electrode, Ultem body, Double Junction, Gel-Filled, BNC, 1m Cable

Laboratory combination pH electrode with ceramic junction for field applications.

$93.49 $65.97
Oxyguard Calibration Kit

Oxyguard Calibration Kit

Calibration kit for Neptune AquaController Dissolved Oxygen Probe.

$69.95
American Marine Pinpoint Conductivity Monitor

American Marine Pinpoint Conductivity Monitor

American Marine PINPOINT Conductivity Monitor PINPOINT Conductivity Monitor™ is an instrument for the measurement of hardness in freshwater. The conversions are 33 µS=17.9 ppm=1dH. Good quality reverse osmosis water measures...

$124.49
Aqua Medic ORP Electrode

Aqua Medic ORP Electrode

AquaMedic ORP Electrode Aqua Medic Redox-potential Electrode is a high quality product designed for precision measurements, and have long, trouble-free operational use. This is a standard electrode with plastic shaft.

$107.99
Elos Conductivity Probe COND-probe

Elos Conductivity Probe COND-probe

The conductivity cells are plastic bodied cells with two parallel graphite electrodes. These cells feature wide measuring range, rugged design, low maintenance and easy cleaning ideal for universal application in on-line monitorin...

$159.99
Tunze Temperature Controller Set 7028/3

Tunze Temperature Controller Set 7028/3

Tunze Temperature Controller Set (7028/3) This temperature controller can accurately monitor the tank`s temperature and control a device (either a heater or a chiller) to maintain that temperature. Switching ...

$252.99
Hanna Instruments DiST 5 Waterproof Low Range EC/TDS/Temperature Tester

Hanna Instruments DiST 5 Waterproof Low Range EC/TDS/Temperature Tester

The original DiST (Dissolved Solids Tester) was first introduced in 1986 by HANNA instruments. Since then, Conductivity and Total Dissolved Solids measurements have never been easier. DiST`s ease-of-use, in combination with its af...

$103.99
Tunze pH CO2 Controller Set 7074/2

Tunze pH CO2 Controller Set 7074/2

The Tunze CO2 Controller Set (7074/2) consists of pH Controller 7070/2, CO2 valve kit 7074.11 (including power supply unit 5012.01). The pH controller precisely monitors the pH of the aquarium and opens or closes t...

$459.99
Neptune Systems Temperature Probe - used for AquaController Pro Only

Neptune Systems Temperature Probe - used for AquaController Pro Only

Feature(s): Precision of +/- 0.1F 6` cable. High quality probe w/ 6` cable Encapsulated thermistor 2.5mm Phono Jack Connector

$59.99
HM Digital Waterproof ORP Meter

HM Digital Waterproof ORP Meter

ORP-200: Waterproof ORP Meter Ideal for all ORP testing, including anti-oxidant measurement, water purification applications, ionizers, agriculture, aquariums & aquaculture, chlorine monitoring, cooling tower disinfection, e...

$89.99
Hanna Instruments Replacement Electrode for DiST 5 Waterproof Low Range EC/TDS/Temperature Tester

Hanna Instruments Replacement Electrode for DiST 5 Waterproof Low Range EC/TDS/Temperature Tester

Hanna Instruments Replacement Electrode for DiST 5 Waterproof Low Range EC/TDS/Temperature Tester

$55.49
Digital Aquatics RKM-DCI DC Pump Interface

Digital Aquatics RKM-DCI DC Pump Interface

DC Pump Control... now available with all ReefKeeper systems! The new DCI module allows you to expand your existing ReefKeeper system even further - offering full control over 24V direct current (DC) pumps that use round 3-pi...

$59.99
Digital Aquatics RKM-APC/DCI Package

Digital Aquatics RKM-APC/DCI Package

DC Pump Control... now available with all ReefKeeper systems! The new DCI and APC module package allows you to expand your existing ReefKeeper system even further - offering full control over 24V direct current (DC) pumps tha...

$179.99
151 - 144 of 144
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