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Hanna Instruments Checker Colorimeter

Hanna Instruments Checker Colorimeter

The HANNA HI 711 Checker HC bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits are not very accurate and only give 5 to 10 points resolution while professional instrumentation...

From $49.00
Neptune Systems Magnetic Probe Rack (MPR)

Neptune Systems Magnetic Probe Rack (MPR)

The newly announced MPR - Magnetic Probe Rack is the perfect product for anyone with an existing Apex or those just now picking one up. The MPR has four locations for probes so customers can rig up their pH, ORP, salinity, and tem...

$39.95
Hanna Instruments Checker pH Pen

Hanna Instruments Checker pH Pen

High accuracy with 0.01 pH resolution Two point fast and accurate calibration Usable with virtually any electrode that shares the same connector 3000 hours of battery life HI 1270 small diameter probe fitseasily into a ...

$35.00
Neptune Systems I/O Break Out Box for Apex, Apex Lite, AquaController 3, or AquaController 3 Pro

Neptune Systems I/O Break Out Box for Apex, Apex Lite, AquaController 3, or AquaController 3 Pro

Easily add float switches, water on the floor sensors, etc. to the Apex, Apex Lite, Apex Jr (either PM1 or PM2 module also required) , AquaController 3, or AquaController 3 Pro. Simply plug the Breakout box`s minidin 8 cable into...

$39.95
Neptune Systems Leak Detection Probe - Solid Surface

Neptune Systems Leak Detection Probe - Solid Surface

This leak detection probe, when combined with the ALD (Advanced Leak Detection) Module, will enable your Apex System to alert on any leak or water on the floor. This particular probe is weighted and is perfect for placing on any...

$29.95
Neptune Systems Advanced Leak Detection Module (ALD)

Neptune Systems Advanced Leak Detection Module (ALD)

The Advanced Leak Detection module easily connects to any Neptune Apex System (Apex, Lite, or Jr.) and gives you up to four locations of leak detection. Two different types of leak detection probes are available (sold separate...

$74.95
Aqua Medic Aquarium Water Testing Marine Lab Test Kit

Aqua Medic Aquarium Water Testing Marine Lab Test Kit

Ultra-High Accuracy & Precision Laboratory Grade Mail-In Water Testing Service. Marine Basic Lab Test series for saltwater aquariums tests 13 important aquarium water parameters. Kit includes two empty sample bottles...

From $46.99
Neptune Systems Leak Detection Probe - Low Profile

Neptune Systems Leak Detection Probe - Low Profile

This leak detection probe, when combined with the ALD (Advanced Leak Detection) Module, will enable your Apex System to alert on any leak or water on the floor. This particular probe is very low profile and is perfect for slidin...

$29.95
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
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 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
Vertex Titano Magnetic Tube Holder

Vertex Titano Magnetic Tube Holder

High quality tube holder for your dosing pump. Slots available for three tubes for 8mm slots Three strong magnets Titanium screws Clear acrylic design

$28.99
Vertex Titano XD Magnetic Probe Holder

Vertex Titano XD Magnetic Probe Holder

High quality probe holder that holds up to 3 probes. Holder has two 13mm ports and a larger 15mm port to accommodate the larger Neptune Systems temperature probe. Slots available for three probes (2 x 13mm, 1 x 15mm) Three st...

$31.99
Ultralife Mag-Tastic Magnetic Holder

Ultralife Mag-Tastic Magnetic Holder

Great for many uses: Including securing Air Lines, ATO`s, Hoses, Probes, Float Switches, Heaters, Spray Bars and Much More. The list is virtually endless. Package includes one Mag-Tastic Aquarium Magnetic Holder Features ...

From $14.99
HM Digital PH-80 Handheld Digital pH Meter

HM Digital PH-80 Handheld Digital pH Meter

The PH-80 is an economically priced, reliable pH meter that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more. Featur...

$49.99
American Marine Pinpoint Wireless Thermometer (includes one sensor)

American Marine Pinpoint Wireless Thermometer (includes one sensor)

American Marines Wireless Thermometer Utilizing a radio wave signal, the remote sensor(s) will measure the temperature at the waterproof probe tip and send the information to the PINPOINT Temperature Display Monitor, which will d...

$40.49
Hanna Instruments Checker Plus pH Tester

Hanna Instruments Checker Plus pH Tester

The HI98100 Checker Plus is the next generation of the original Hanna Checker pH tester. The Checker is the most popular pH meter in the world with over 1 million meters used since its introduction in 1991. From students to resear...

$40.00
Hanna Instruments Primo TDS Tester

Hanna Instruments Primo TDS Tester

Direct probe connection Automatic calibration Automatic Temperature Compensation The Primo series of testers provide a fast and dependable way to measure the total dissolved solids or conductivity in your water samples. It...

$37.00
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
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 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 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
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