Standard water quality testing kit:
pH test pen_1PCS
TDS test pen_1 PCS
ORP test pen_1PCS
Water electrolyzer_1PCS(simple)

The bottle of various test agents:
Residual chlorine reagent_1PCS
pH reagent_1PCS
Calcium and magnesium reagents_1PCS
Large quantity (200 sets)can be printed your company LOGO on the toolbox.

Water testing kit: Designed specially for water purification products sales man, service personnel, water purification products stores, shopping malls counter water purification products, water companies and water treatment plants, aquaculture and the family& personal need to do water quality testing.