Saltwater reef foundation pro multi test kit * Includes high accuracy titration tests for the accurate measurement of the elements calcium, magnesium and alkalinity (KH) * All of these elements need to be available in balanced proportions for sustainable successful coral health and growth * This test kit enables accurate dosing of the reef foundation supplements * Test kit includes 5ppm 75-test Calcium Pro, 0.05 meq/l 75-test KH/Alkalinity Pro and 20 ppm 60-test Magnesium Pro tests