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51 - 75 of 143
Neptune Conductivity Calibration Solution - 5 Pack

Neptune Conductivity Calibration Solution - 5 Pack

Conductivity Calibration Solution – 447.0 mS (5-pack) Use this calibration solution to calibrate your Conductivity Probe and PM2 for RO/DI water quality monitoring.

From $14.75
MarineDepot.com Exclusive ReefKeeper Lite + SLX Expansion Unit w/ FREE pH Probe

MarineDepot.com Exclusive ReefKeeper Lite + SLX Expansion Unit w/ FREE pH Probe

We have teamed up with Digital Aquatics to bring you the best priced aquarium controller package available on the market today. Our Exclusive Digital Aquatics ReefKeeper Lite Package includes the ReefReeper Lite Basic Aquarium Co...

$199.99
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...

$182.00
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 $6.00
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
American Marine Pinpoint ORP/REDOX Calibration Fluid 400mV - 5 Pack

American Marine Pinpoint ORP/REDOX Calibration Fluid 400mV - 5 Pack

Quantity: 5-pack The American Marine ORP / REDOX Calibration Fluid 400 mV is convenient and easy to use: no mixing is required and highly accurate. Packaged in single--use plastic foil pouches similar to PinPoint pH calibration...

$14.95
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 $129.99
Aquarius Thermometer, 70 - 84 F / 21 - 29 C

Aquarius Thermometer, 70 - 84 F / 21 - 29 C

Feature(s): Digital Liquid crystal (LCD) Fahrenheit - Centigrade 70F (21C) - 84F (29C) Blister packed on card

$2.49
Neptune Systems Apex AquaController System with Standard Grade pH Probe

Neptune Systems Apex AquaController System with Standard Grade pH Probe

Neptune Systems AquaController Apex System w/ pH Probe Introducing the AquaController Apex. The professional equipment your reef deserves is now within reach. System Includes: 1 - Apex Base Unit 1 - Apex Display 1 - Ene...

$524.95
Neptune Systems Apex WAV Pump and 1LINK Module Wavemaker Starter Kit

Neptune Systems Apex WAV Pump and 1LINK Module Wavemaker Starter Kit

WAV - Extreme flow for your aquarium The WAV moves water. Plain and simple. More than 4000 gallons per hour of it! Better yet, for the same amount of flow, the WAV is smaller, uses less power, and is quieter than the most popula...

$499.95
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
Fluval Sea Hydrometer

Fluval Sea Hydrometer

Fluval Sea Hydrometer provides an accurate and convenient method of measuring specific gravity and salt level in marine aquariums. Regular testing is strongly recommended as stable salinity levels are essential for the health of m...

$9.99
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
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
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
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
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
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
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
Digital Aquatics Salinity Probe Calibration Solution

Digital Aquatics Salinity Probe Calibration Solution

Digital Aquatics Conductivity Probe Calibration Solution (53 mS)

$7.99
JBJ TrueTemp Digital Heater Controller

JBJ TrueTemp Digital Heater Controller

JBJ TrueTemp Digital Heater Controller JBJ`s TrueTemp digital heater controller is the most accurate & precise controller available. Plus/Minus 0.5F Accuracy 0-99.9F Temperature Range HIGH & LOW Temperature ...

$84.99
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
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
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 $49.99
51 - 75 of 143
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