The new generation of using water test with analysis and diagnosis via smartphone for freshwater aquarium. It is easy, fast diagnosis and precise result are displayed as numbers and additionally evaluated either in good, medium or poor. Additional advantages of the apps with provided the recommendation for optimal values in freshwater aquarium and ponds. 7 of parameter can be measured in one dip, include carbonate hardness, general hardness, nitrite, nitrate, chlorine, carbon dioxide and pH values.