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...
The Refractometer is a must have for all aquarium hobbyists. The proper salinity is crucial for the survival and health of your fish and corals . This high quality refractometer is extremely accurate and easy to use and calibr...
Designed specifically for aquarium use to measure the salinity of natural sea water (NSW). Most handheld saltwater refractometers available in the hobby are designed and calibrated for testing brine solution, i.e. sodium chlorid...
Precision of +/- .01
10` coax cable
Sealed Ag/AgCI reference.
Standard BNC connector
High Accuracy Seawater Refractometer!
Red Sea’s Seawater Refractometer offers exceptional accuracy, for measuring the absolute salinity of seawater at a temperature of 25°C/77°F.
Most refractometers used within the aquariu...
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...
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...
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...
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...
10` coax cable
Platinum band electrode.
Standard BNC connector
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...
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 ...
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...
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.
American Marine PINPOINT ORP Replacement Probe
10 foot cord
Platinum wire sensor
High supression cable jacket
Digital Aquatics ORP Probe
Manufacturer: Digital Aquatics
One Male BNC
Cable Length: 6 Feet (2 Meters)
Probe Body: Dia 1/2"
Probe Body: length 6.5"
One Digital Aquatics ORP Probe
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 ...
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
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 &...
Expansion Socket The Digital Aquatics Expansion Socket allows you to control high current devices without affecting your ReefKeeper power budget
Spare electrode for HI 98121, HI 98127, HI 98128, HI 98129 and HI 98130
Your Aquarium Butler!
Use the Flexi Plug app on your SmartPhone or Tablet as a remote to control the function of your aquarium equipment through this bluetooth powered smart plug. Can be used with lighting fixtures, powerhead...
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...
Calibration kit for Neptune AquaController Dissolved Oxygen Probe.