Marine care program no2/no3(nitrate pro) test kit 60/100 tests. These tests have been redeveloped into a single kit with a common reagent. The Marine Care Program (MCP) is a comprehensive, step-by-step program that enables hobbyists to achieve complete biological maturation including biological algae management. The MCP gets aquariums reef-ready to host even the most delicate (small polyp stony SPS) coral species in approximately 21 days.