The Hanna Checker Kit includes 4 of the most commonly used Hanna Checkers used in the Marine Aquarium.
pH Calibration Fluids and Electrode Storage ...
PinPoint Temperature Controller can easily handle up to a 1/2HP chiller and 700 Watts of heaters (12 Amps). The PinPoint Temperature Controller is a dual-stage controller that can also be use as a single-stage controller. The temp...