Aquaforest TestPro kits provide fast and accurate testing for key aquarium parameters. TestPro Ca measures calcium (380460mg/L, 5565 tests), TestPro KH measures carbonate hardness (6.58dKH, 78100 tests), and TestPro Magnesium ensures proper magnesium levels (12601460mg/L, 5560 tests). Essential for maintaining stable and healthy conditions in marine and freshwater aquariums.