HI-772 SEAWATER/MARINE ALKALINITY (DKH) COLORIMETER - CHECKER HC
Ideal for salt water aquariums and coral reef tanks. Designed exclusively for saltwater aquariums, the HI-772 checker offers a quick, easy and highly accurate method of measuring alkalinity in degrees of calcium hardness, commonly abbreviated as dKH.
Accuracy ±0.3 dKH ±5% of reading
Alkalinity