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51 - 75 of 78
Digital Aquatics ReefKeeper Elite (Plus) Controller

Digital Aquatics ReefKeeper Elite (Plus) Controller

Digital Aquatics ReefKeeper Systems With systems starting under $150 ReefKeeper control systems can handle tanks from 10-10000 gallons! Flexibility, expandability, style and function make Digital Aquatics controller a gre...

$369.99
Hanna Instruments Checker Colorimeter Reef Kit (Phosphorus ULR, Calcium, Alkalinity & pH)

Hanna Instruments Checker Colorimeter Reef Kit (Phosphorus ULR, Calcium, Alkalinity & pH)

The Hanna Checker Kit includes 4 of the most commonly used Hanna Checkers used in the Reef Aquarium. Includes: pH Checker Alkalinity (dKH) Checker - conveniently read results in dKH rather than ppm - includes liquid reagent ...

$187.00
Neptune Systems New APEX PMUP Practical Multipurpose Utility Pump

Neptune Systems New APEX PMUP Practical Multipurpose Utility Pump

24V Utility pump for various applications: ATO (auto-top-off) pump Feed pump for reactors Return Pump in nano aquariums Other water movement needs 100gph 14` max. head *Connects to 24V DC outputs on the 1LINK module or ...

$39.95
Digital Aquatics PB4 Power Bar

Digital Aquatics PB4 Power Bar

PB4 4 plug power bar Mounting/Installation Strong convenient mounting tabs make installation a breeze! Upgrade-ability The PB4 also has upgrade-able firmware so you can take advantage of our developing feature set...

$99.99
Digital Aquatics Switch Adapter Kit

Digital Aquatics Switch Adapter Kit

Switch Adapter Kit for Digital Aquatics Reef Keeper Allows you to connect a variety of switch inputs on your SL1 and SL2 ports. Compatible with both the ReefKeeper Elite and ReefKeeper Lite systems. Cable Length is 6`. C...

$9.99
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
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
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
American Marine Pinpoint II Calcium Monitor

American Marine Pinpoint II Calcium Monitor

The PINPOINT II Calcium Monitor™ is the only truly affordable and accurate digital Calcium measurement instrument. Powered by a 9-volt battery (not included) or the Pinpoint AC Adapter Kit (not included). The PINPOINT II Calcium M...

$269.49
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
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
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
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
Neptune Systems DC24 to Bare Wire Cable - 10 ft

Neptune Systems DC24 to Bare Wire Cable - 10 ft

DC24 to Bare wire cable - 10’ For the DIY hobbyists out there. This cable connects to the 24VDC accessory connections on the 1LINK module. This cable has two bare (tinned) wires on the other end so you could connect it up to a ...

$17.95
Neptune Systems New APEX Double Junction Lab Grade PH Probe

Neptune Systems New APEX Double Junction Lab Grade PH Probe

What is the difference between double junction and single junction porbes? Single junction probes put the reference electrode in direct contact with aquarium water. Over time, the junction will slowly leak aquarium water into t...

$74.95
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, ...

$699.95
Neptune Systems 1LINK Male - Male Cable - 10 ft

Neptune Systems 1LINK Male - Male Cable - 10 ft

1LINK Male - Male cable - 10’ 4-pin male to male cable many hobbyists have been waiting for. It is ten feet long. This cable allows you to connect your DOS to the 1LINK thereby eliminating the need for the DOS to be connected t...

$19.95
Digital Aquatics ReefKeeper Elite (Net) Controller

Digital Aquatics ReefKeeper Elite (Net) Controller

Digital Aquatics Rk Elite (Complete System W/Net) The ReefKeeper Elite is true to its name, standing alone in the industry as the most innovative aquarium controller on the market. With the most intuitive interface and easy t...

$537.13
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 ReefKeeper Lite (Basic) Controller

Digital Aquatics ReefKeeper Lite (Basic) Controller

ReefKeeper Lite Basic ReefKeeper Lite Preliminary Product Information Expandable - up to 4 modules (PC4s, SL1s or MLC) pH, ORP, and switch inputs (w/ optional SL1) 16 timers / 16 alarms Audible / Visual alarms Wavem...

$129.99
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
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
Aqua Medic EcoDrift Master Controller

Aqua Medic EcoDrift Master Controller

EcoDrift Wireless Master Controller only works with EcoDrift 4.1, 8.1, 15.1, and 20.1 Aqua Medic EcoDrift Wireless Master Controller is an wireless control for EcoDrift current pumps of the x.1 series. The EcoDrift Wireless Mas...

$79.99
Neptune Systems New APEX Display Module

Neptune Systems New APEX Display Module

Optional display module for New Apex Features Orange Backlight screen Silver module casing

$99.95
Neptune Systems New APEX Double Junction Lab Grade ORP Probe

Neptune Systems New APEX Double Junction Lab Grade ORP Probe

What is the difference between double junction and single junction porbes? Single junction probes put the reference electrode in direct contact with aquarium water. Over time, the junction will slowly leak aquarium water into t...

$84.95
51 - 75 of 78
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