Hanna Checker Marine Alkalinity dKH HI772 itemID-2170 but also includes biologically appropriate

but also includes biologically appropriate levels of magnesium

Temperature Sensor

Model 200PS - equal to Iwaki MD70 Pressure rated

Composed of purified water and ultra-high purity ingredients

MEDIUM---------400 gallons

Hanna Checker Marine Alkalinity dKH HI772 itemID-2170 but also includes biologically appropriateThe Hanna Marine Alkalinity (dKH) Checker bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits have limited accuracy and resolution since they rely upon the human eye to discern differences in color. Professional instrumentation incorporates a light source such as an LED or tungsten lamp with a filter and a light sensing detector to precisely determine absorbance and ion concentration. This level of