Kamoer Reef Master SPAKamoer Reef Master SPA Ca, Mg, Kh, No2, No3, Po4 Auto Test Descriptions: The Kamoer Reef Master SPA is a multiparameter water quality monitor that can detect water quality and analyze water. It also has a smart sensor and can automatically change and replenish water. The Kamoer Reef Master SPA uses manufacturer made reagents. Some of the reagents include: KH detection reagent: 250 ml, with a maximum detection time of 150 times Ca Mg A reagent: 250 ml