Red Sea Reef Foundation Pro Multi Test kit (Ca,Alk,Mg) Calcium, Magnesium & AlkalinityRed Seas FOUNDATION PRO Multi Test Kit includes high accuracy titration tests for the accurate measurement of the elements calcium, magnesium and alkalinity (KH) which are the basicfoundation elements of coral skeletons.All of these elements need to be available in balanced proportions for sustainable successful coral health and growth.Test nameElementAccuracyRangeTest typeNo. of testsCalciumCa5 ppmTitration75KH / AlkalinityKH0.05 meg/lTitration75MagnesiumMg20 ppmTitration100Red Sea Reef Foundation Pro Multi Test kit (Ca,Alk,Mg) Calcium, Magnesium & AlkalinityRed Seas FOUNDATION PRO Multi Test Kit includes high accuracy titration tests for the accurate measurement of the elements calcium, magnesium and alkalinity (KH) which are the basicfoundation elements of coral skeletons.All of these elements need to be available in balanced proportions for sustainable successful coral health and growth.Test nameElementAccuracyRangeTest typeNo. of testsCalciumCa5 ppmTitration75KH / AlkalinityKH0.05 meg/lTitration75MagnesiumMg20 ppmTitration100Product code: 2416Item No. TK-RS21510