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51 - 75 of 143
Eshopps Magnetic Probe Holder

Eshopps Magnetic Probe Holder

ESHOPPS Magnetic Probe holder Designed from heavy duty acrylic, this dual-purpose holder, will hold your pH and/or ORP probes as well as the outlet tubing coming out of your Calcium Reactor. Additionally, with the magnet attach...

$29.99
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
Digital Aquatics iTemp Temperature Probe for ReefKeeper Systems (RJ-11 Connector)

Digital Aquatics iTemp Temperature Probe for ReefKeeper Systems (RJ-11 Connector)

The Digital Aquatics temp probe is used with all Digital Aquatics controllers as well as modules. It currently comes in two styles, one with an RJ-11 connection and the other with a Molex connection. The different probe styles fu...

$24.99
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
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
Neptune Systems ORP Probe

Neptune Systems ORP Probe

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

From $69.95
Hanna Instruments Checker Colorimeter Kit (Phosphate, Calcium, Alkalinity & pH)

Hanna Instruments Checker Colorimeter Kit (Phosphate, Calcium, Alkalinity & pH)

The Hanna Checker Kit includes 4 of the most commonly used Hanna Checkers used in the Marine Aquarium. Includes: Phosphate Checker - includes reagent for 6 tests Calcium Checker - includes reagent for 15 tests Alkalinity Ch...

$187.99
Digital Aquatics iTemp Temperature Probe for ReefKeeper Systems (Molex Connector)

Digital Aquatics iTemp Temperature Probe for ReefKeeper Systems (Molex Connector)

The Digital Aquatics temp probe is used with all Digital Aquatics controllers as well as modules. It currently comes in two styles, one with an RJ-11 connection and the other with a Molex connection. The different probe styles fun...

$24.99
Milwaukee Instruments Protective Hardshell Case for Refractometers & Photometers

Milwaukee Instruments Protective Hardshell Case for Refractometers & Photometers

Milwaukee Protective Hardshell Case for Milwaukee Refractometers and Photometers

$22.99
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
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
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
Hanna Instruments pH Calibration Solution, 20 ml Sachet (25pcs)

Hanna Instruments pH Calibration Solution, 20 ml Sachet (25pcs)

HANNA instruments` buffer solutions are prepared according to precise formulas and are standardized with a pH meter calibrated according to the NIST standards. The 20 mL sachets are single-dose whereas, for more demanding applica...

From $26.49
Neptune Systems Lunar Simulator LED String

Neptune Systems Lunar Simulator LED String

LSM Lunar LED String – 3 LEDs *Use this string of LED in combination with your Apex system and Lunar Simulation Module (LSM) When you purchase the Apex Controller and Lunar Simulation Module you need to outfit it with a ...

From $39.95
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 MLC Pod LED

Digital Aquatics MLC Pod LED

Digital Aquatics MLC Pod Tech Specs Requires an RKM-MLC or RKM-ALC to operate LED Color: Available in Nocturnal Blue and Lunar White LED Viewing Angle: 100 degrees Nocturnal Blue LED Output: 240mcd per LED Nocturnal Blue ...

From $9.99
Neptune Systems AquaBus Lunar Simulator Module (LSM)

Neptune Systems AquaBus Lunar Simulator Module (LSM)

The Lunar Simulator Module (LSM) allows the AquaController to control and vary the intensity to a 2 to 5 LSM Lunar LED String for a realistic moon cycle simulation. The moonrise and set times follow the true lunar cycle. LSM Lun...

$64.95
Hanna Instruments Checker Colorimeter Calibration Sets

Hanna Instruments Checker Colorimeter Calibration Sets

0.00 and 1.00 ppm standards (iron) for Hanna Checker HI721: Iron Great for testing proper functionality of your Hanna Checker HI721 Checker.

From $11.49
Digital Aquatics Bus Cables

Digital Aquatics Bus Cables

Authorized bus cables from Digital Aquatics for your ReefKeeper Elite system

From $9.99
Two Little Fishies AccuraSea Seawater Reference and Calibration Solution

Two Little Fishies AccuraSea Seawater Reference and Calibration Solution

AccuraSea® Seawater Reference Solution is the only calibration solution of its kind made from real seawater. It’s pure natural seawater micron filtered and UV sterilized then adjusted with reverse osmosis water to match the standa...

$11.99
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

$115.00
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 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
2 Channel AquaSurf/Apex to Stream Cable Neptune Systems AquaController

2 Channel AquaSurf/Apex to Stream Cable Neptune Systems AquaController

2 Channel AquaSurf or Apex to  stream cable assembly.  It has 1 RJ45 connector which plugs into the Apex base unit, and 2 Din5 connectors which plug into 2 Tunze Controllable Stream pumps.

$19.95
HM Digital pH Electrode Storage Solution

HM Digital pH Electrode Storage Solution

HANDHELDS ZT-2: Basic TDS TesterTDS-EZ: Economy TDS TesterTDS-3: TDS Meter with CaseEC-3: Conductivity Meter with CaseTDS-4: Pocket-Size TesterTDS-4TM: Pocket-Size TDS/TemperatureAP-1: AquaPro Water Quality Tester (TDS)AP-2: Aqua...

$8.99
51 - 75 of 143
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