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 13.0 or later, Android version 7.0 or higher, and a camera with auto focus. Contents: 24 water analysis strips, 1 ProScan colour chart, 1 ProScan app for free download.