JBL Water Test With Smartphone Evaluation For Freshwater Aquarium, ProScan Smartphone analysis for fresh water aquariums. Safe, easy analysis of GH, KH, pH, nitrite, nitrate, chlorine and C02-calculation. The next generation of water analysis! Download the free JBL ProScan App, dip the test strip into the aquarium, compare with the JBL color chart for analysis, scan it and wait for the analysis. Quick evaluation - accurate results shown as numeric values and evaluated as good, average or bad. Instructions also included for optimizing water values for freshwater aquariums and ponds. Compatible with iPhone, iPad, iPod touch. Requires iOS 5.0 or Android-Version 4.0 or higher and a camera with auto-focus. This app is optimized for iPhone 5. Contents: 1x package JBL ProScan 25420 includes 24 water analysis strips,1 ProScan Color Chart, 1 ProScan App for download. Fast diagnosis, exact results and tips for next steps Test results are saved Measurement display Ongoing development  new functions and features