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...
Milwaukee Seawater Digital Refractometer with Protective Hardshell Case
The new Milwaukee MA887 Seawater Digital Refractometer encompasses 3 different types of user selected scales for the measurement of seawater providing ...
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...
The conductivity cells are plastic bodied cells with two parallel graphite electrodes. These cells feature wide measuring range, rugged design, low maintenance and easy cleaning ideal for universal application in on-line monitorin...