JBL ProScan

Contains 24 strips for analysis (GH, KH, PH, nitrite, nitrate, chlorine and for calculating co₂) with a suitable JBL Proscan color card.
The color scheme serves as a guide when scanning the strip analysis.
The result is evaluated and, if necessary, instructions are displayed to show how to optimize the water parameters.

It is possible to install a special program for determining water indicators on a smartphone