Handheld TDS Meter 0-9990 with ATC & Temp, in vinyl carrying case The world’s most popular TDS meter, the TDS-3 is the most reliable and longest lasting meter of its kind. It has a wide range of 0-9990 ppm has a hold button...
Apex Jr System
The Apex Jr System delivers a professional quality controller at hobbyist prices. Built-in Ethernet
Integrated Ethernet port
Most advanced web server available
Interactive graphing application in the ...
Pocket Sized TDS Meter w/ digital thermometer in aquarium-specific packaging. The world’s smallest and lightest TDS meter also comes with a built-in digital thermometer. It is a true pocket size meter, comfortably fitting into...
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...
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
The newest member to Hanna instruments Combo series of combination waterproof testers with advanced functions is HI 98121, designed for simultaneous pH and ORP measurements. HI 98121 also reads temperature, which is continuously ...
Dual monitoring of pH and ORP with a large LED display and control of either pH or ORP. Highly accurate.
Digital pH-ORP controller with large size LED display for easy reading.
High input impedance avoid measuri...
Marine Basic Lab Test series for saltwater aquariums tests 13 important aquarium water parameters.
Kit includes two empty sample bottles and a return label with US postage paid. Simply fill each bottle with water from the sam...