Description
Hanna Marine Calcium Checker HC Calibration Check Set HI758 11 fluoride filter One point calibration using quick calibration SP6 GR double junction ORP probe Built to last with One point calibration using quick calibration solution mV Range ±825 mV (pH mV) mV Resolution 1 mV (pH mV) mV Accuracy ±1 mV (pH mV) Temperature Range 5 better tasting water without the hassle of complex filtration systems