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151 - 146 of 146
Digital Aquatics RKM-SW5 Switch 5

Digital Aquatics RKM-SW5 Switch 5

4 X Switch Ports With four switch input ports you can add another level of automation to your tank/system. Add float switches, leak detectors, ATO systems, and much more! IMPORTANT: Never apply power to the switch inputs. They ...

$69.99
American Marine Pinpoint Dual-Stage Temperature Controller + Probe

American Marine Pinpoint Dual-Stage Temperature Controller + Probe

PinPoint Temperature Controller can easily handle up to a 1/2HP chiller and 700 Watts of heaters (12 Amps). The PinPoint Temperature Controller is a dual-stage controller that can also be use as a single-stage controller. The temp...

$182.49
American Marine Pinpoint Conductivity Fluid 60ml

American Marine Pinpoint Conductivity Fluid 60ml

American Marine Pinpoint Conductivity Fluid 60ml PINPOINT® Conductivity Calibration Fluid 60ml 45.0 µS standardized fluid for calibrating the PINPOINT® Conductivity Monitor

$7.99
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...

$92.22
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
Tunze Water Level Alarm 7607/2

Tunze Water Level Alarm 7607/2

The Tunze Water Level Alarm (7607/2) has three sensors: one run-dry protection sensor and two overflow sensors. Each sensor comes with a holding device which can be stuck with silicone or clamped to horizontal or vertical pan...

$203.99
1 Channel Apex to Stream/1 Channel Light Dimming Cable Neptune Systems AquaController

1 Channel Apex to Stream/1 Channel Light Dimming Cable Neptune Systems AquaController

Combination stream and light dimming cable for Apex variable speed ports.  It has 1 RJ45 connector on one end of the cable which plugs into the Apex base unit.  The other end of the cable contains 1 Din5 connector used t...

$18.99
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 ...

$107.99
Digital Aquatics PC1 Power Controller Module

Digital Aquatics PC1 Power Controller Module

Increased Power Handling The PC1 is useful for controlling those high current devices like chillers and large lighting fixtures. The PC1 can supply up to 15A (10A inductive) to one or more devices. Both outlets controlled as on...

$69.99
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
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 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
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
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
Oxyguard Calibration Kit

Oxyguard Calibration Kit

Calibration kit for Neptune AquaController Dissolved Oxygen Probe.

$69.95
Tunze Temp Controller Set 7028/

Tunze Temp Controller Set 7028/

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
Tunze Conductivity Meter Max 200 ms 7032m

Tunze Conductivity Meter Max 200 ms 7032m

TUNZE CONDUCTIVITY METER 7032/2 The Tunze Condictivity Meter will accurately monitor the salinity of the water (translated from conductivity). It can be used for freshwater, brackish water or saltwater. The unit&nb...

$327.99
Tunze CO2 Controller 7074

Tunze CO2 Controller 7074

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
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
151 - 146 of 146
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