9 volt battery supplied and installed by Aquarium Instruments. Operation is verified before shipping. The most precise method to measure fresh water purity. Complete with temperature compensated probe and 1 meter cord. 9 volt battery supplied and installed by Aquarium Instruments.
Operation is verified before shipping.
Kit includes a modified battery door compartment. Controller Automate pH control in the aquarium. Controller Automate Ozone control in the aquarium. Aquarium Instruments Electrode Switcher - Continuously monitor two aquariums with one meter or controller. Connect two Redox electrodes to switcher, connect to meter and flip a switch to check readings.