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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. ...

$114.49
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 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
Captive Purity Refractometer

Captive Purity Refractometer

The Captive Purity Refractometer is an incredibly accurate and easy to use device that eliminates the confusion associated with inexpensive hydrometers. Just place a couple of drops of water on the prism and hold to the light. Rea...

From $59.99
Neptune Systems Apex AquaController PM2 Conductivity, Temperature, I/O Expansion Box

Neptune Systems Apex AquaController PM2 Conductivity, Temperature, I/O Expansion Box

The PM2 probe module, includes support for conductivity (salinity), temperature, and 6 digital inputs. The PM2 features are: Monitor/Control Conductivity and temperature. 6 digital inputs for float switches, water on floo...

$84.95
Neptune Systems Lab Grade Conductivity / Salinity Probe

Neptune Systems Lab Grade Conductivity / Salinity Probe

Start measuring salinity in your aquarium and get alerts when out of range. BUY THIS PROBE IF YOU ARE Replacing an old probe Adding salinity monitoring to your system via Neptune Systems Apex AquaController PM2 Expansio...

$124.95
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 ...

$99.99
Digital Aquatics RKM-PC4

Digital Aquatics RKM-PC4

IntellaStrip Technology Our new PC4 is the most advanced power distribution unit in the industry with the ability to keep your system up and running even if you have a device failure. Manual Override Mode Gives you ...

$89.99
Digital Aquatics ReefKeeper Lite Controller

Digital Aquatics ReefKeeper Lite 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...

From $119.99
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 Variable Speed/Dimming Module (VDM)

Neptune Systems Apex Variable Speed/Dimming Module (VDM)

The Variable Speed/Dimming module allows for the control of the Aqua Illuminations LED lighting systems as well as adding an additional 4 0-10V variable speed ports.: Independent control of the white and blue Aqua Illumination...

$99.95
Neptune Systems ORP Probe

Neptune Systems ORP Probe

Feature(s): 10` coax cable Platinum band electrode. Standard BNC connector

From $69.95
Digital Aquatics ReefKeeper Module RKM-SL2v2

Digital Aquatics ReefKeeper Module RKM-SL2v2

The RKM-SL2 is the newest System Lab module from Digital Aquatics. It's a big leap forward with fully (and individually,) isolated ph and salinity ports. On top of that, the Digital Aquatics salinity probe is equipped with full di...

$79.99
American Marine Pinpoint pH Monitor Package

American Marine Pinpoint pH Monitor Package

American Marine PINPOINT pH Monitor The PINPOINT pH Monitor™ is in use by thousands of customers worldwide. This affordable unit remains the only full-time pH monitor with .01 resolution. The PINPOINT pH Monitor™ requires only a ...

$113.99
Digital Aquatics Salinity Probe w/ Calibration Packets

Digital Aquatics Salinity Probe w/ Calibration Packets

Features Lab grade conductivity probe 1 mounting suction cup 1 x 35.0 PPT calibration solution Works with the SL2v2 module (sold separately) and your ReefKeeper to test salinity

$114.99
Neptune Systems Energy Bar 4 Expansion Unit (EB4)

Neptune Systems Energy Bar 4 Expansion Unit (EB4)

The EnergyBar 4 module features 4 independently controllable outlets. With power failure detection, active electrical current monitoring, and failsafe features make this power bar far better than any competing units. 4 indepen...

$119.95
American Marine Pinpoint ORP Monitor

American Marine Pinpoint ORP Monitor

American Marine PINPOINT ORP Monitor PINPOINT ORP Monitor™ will measure the ORP (oxidation-reduction potential, or REDOX) of your system. It is popular with those who use ozone gas or potassium permanganate as an artificial ...

$119.99
Neptune Systems Apex AI Wireless Expansion Module (AWM)

Neptune Systems Apex AI Wireless Expansion Module (AWM)

For years the Apex has given owners of the AI Sol lights a great way to control their tank lighting. Now, owners of AI Vega, Hydra or Hydra Fifty-Two will finally be able to wirelessly control their lights through their Apex syste...

$124.95
Digital Aquatics ORP Probe w/ Calibration Packets

Digital Aquatics ORP Probe w/ Calibration Packets

Digital Aquatics ORP Probe Manufacturer: Digital Aquatics Resolution: 001mV One Male BNC Cable Length: 6 Feet (2 Meters) Probe Body: Dia 1/2" Probe Body: length 6.5" One Digital Aquatics ORP Probe One ...

$79.99
Digital Aquatics RKM-Net Network Interface Module

Digital Aquatics RKM-Net Network Interface Module

Email Get alerts to your email, cell phone, or PDA System Status Current system data and channel status over the internet, gives you real-time information about what's going on in your system. RSS feeds Get on going status...

$119.99
Hanna Instruments Waterproof pH Tester with Replaceable Electrode

Hanna Instruments Waterproof pH Tester with Replaceable Electrode

When HANNA instruments introduced its first version of the pHep (pH electronic paper) in 1986, it immediately revolutionized the standard in pH measurement. pHep`s ease-of-use in combination with its affordability made it possible...

From $88.99
American Marine Pinpoint Salinity Monitor

American Marine Pinpoint Salinity Monitor

American Marine PINPOINT Salinity Monitor PINPOINT Salinity Monitor™ will accurately and immediately measure the amount of salt in any marine or freshwater system. The reading is fully temperature compensated and the convers...

$109.99
HM Digital Waterproof pH Meter

HM Digital Waterproof pH Meter

Professional Waterproof pH/Temp Meter Very reliable waterproof pH meter measures with an accuracy: of +/- 0.02 pH. Measures pH and Temperature Auto-ranging three point calibration with digital fine tuning Includes 4...

$79.99
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
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
1 - 25 of 31
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