Hanna Alkalinity (dKH) Checker Air Pumps Use magnesium sulfate as part

Use magnesium sulfate as part of a measured magnesium maintenance routine

Application: SPS

It is best placed on the sand

Does not lower potassium levels in aquarium water according to Aquaforest

Hanna Alkalinity (dKH) Checker Air Pumps Use magnesium sulfate as partHanna Alkalinity (dKH) Checker The Hanna Alkalinity (dKH) Checker HI772 is a marine handheld colorimeter designed to measure alkalinity directly in degrees of carbonate hardness. It gives reef and saltwater aquarium keepers a digital dKH result, making alkalinity testing easier to read and repeat than traditional colour comparison kits. HI772 Marine Alkalinity Testing Alkalinity is one of the most important stability parameters in reef aquariums