Water analysis and diagnosis via smartphone: easy and safe monitoring of the water values in freshwater aquariums. Determination of: general hardness, carbonate hardness, pH value, nitrite, nitrate, chlorine and CO2 calculation The new generation of water analysis: download ProScan app free of charge, insert test strip into water, position strip on colour chart for analysis, scan colour chart, values are determined Fast diagnosis     precise results: test value results are displayed as numbers and additionally evaluated (good medium poor). Additional recommendations for optimal values in freshwater aquariums and ponds Compatible with iPhone and iPad: requires iOS 9.0 or later, Android version 5.0 or higher, and a camera with auto focus Contents: 24 water analysis strips, 1 ProScan colour chart, 1 ProScan app for free download