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51 - 67 of 67
American Marine Pinpoint ORP Controller

American Marine Pinpoint ORP Controller

American Marine PINPOINT ORP Controller PINPOINT ORP (REDOX) Controller™ is an inexpensive rugged controller complete with a platinum ORP probe. This device will automate another electrical device like an ozonizer or ozone g...

$215.49
HM Digital Waterproof EC / TDS / Temp Combo Meter

HM Digital Waterproof EC / TDS / Temp Combo Meter

COM-100: Waterproof EC / TDS / Temp Combo Meter Ideal for all water quality testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools &...

$66.99
Neptune Systems Apex AquaController PM3 Dissolved Oxygen, Temperature, I/O Expansion Box

Neptune Systems Apex AquaController PM3 Dissolved Oxygen, Temperature, I/O Expansion Box

The PM3 probe module, includes support for dissolved oxygen, temperature, and 6 digital inputs. The PM3 features are: Monitor/Control Dissolved and temperature. 6 digital inputs for float switches, water on floor sensors,...

$94.95
American Marine Pinpoint Nitrate Monitor

American Marine Pinpoint Nitrate Monitor

American Marine is proud to introduce the PINPOINT™ Nitrate Monitor. The only truly affordable and accurate digital Nitrate measurement instrument engineered for marine saltwater. The PINPOINT™ Nitrate Monitor has been designed as...

$269.49
Hanna Instruments Low Range Phosphate Meter

Hanna Instruments Low Range Phosphate Meter

Phosphates are particularly important for the growth and development of plant roots, and hence are one of the most common fertilizers used in agriculture. In addition, phosphates are usually utilized in detergents and are needed, ...

$222.99
Digital Aquatics RKM-SLX Module

Digital Aquatics RKM-SLX Module

The SLXs five input ports provide a broad range of monitoring options for all the most common probes. 1 x pH port The pH port is a standard BNC connection. While any standard probe should work, we suggest using Digital Aquati...

$89.99
Digital Aquatics Expansion Socket for ReefKeeper Controller

Digital Aquatics Expansion Socket for ReefKeeper Controller

Expansion Socket The Digital Aquatics Expansion Socket allows you to control high current devices without affecting your ReefKeeper power budget

$49.99
Hanna Instruments Combination pH and ORP Tester

Hanna Instruments Combination pH and ORP Tester

The newest member to Hanna instruments Combo series of combination waterproof testers with advanced functions is HI 98121, designed for simultaneous pH and ORP measurements. HI 98121 also reads temperature, which is continuously ...

$167.49
Neptune Sytems Apex Advanced LED Dimming Cable for VDM

Neptune Sytems Apex Advanced LED Dimming Cable for VDM

Advanced LED Dimming Cable for Apex VDM Module Use this cable to connect Aqua Illuminations Sol and Acan Lighting LEDs to the VDM Module You can have complete control over your AI Sol and supported Acan Lighting LED Ligh...

$17.95
Digital Aquatics RKM-HUB Bus System

Digital Aquatics RKM-HUB Bus System

5 x Bus Ports The HUB has 5 bus ports for easy expansion when the traditional daisy chain is not an option. 1 x Power Port 9VDC input voltage for providing additional power to your system. Tech Specs LED Status Indic...

$39.99
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
Flexi Plug Bluetooth Power Switch

Flexi Plug Bluetooth Power Switch

Your Aquarium Butler! Use the Flexi Plug app on your SmartPhone or Tablet as a remote to control the function of your aquarium equipment through this bluetooth powered smart plug. Can be used with lighting fixtures, powerhead...

$64.99
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 $40.97
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
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
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
American Marine pH/ORP Extension Cable

American Marine pH/ORP Extension Cable

American Marine pH/ORP Extension Cable PINPOINT 15 foot extension cable for the pH or the ORP/REDOX probe. This will add an additional 15 feet onto the 10 feet of the probe cable for a total of 25 feet. This extension cable wil...

$29.99
51 - 67 of 67
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