Rankem manufactures Aqua Check Water Testing Kits. Rankem is an ISO 9001:2000 and ISO 14001:2004 certified company. The company supplies laboratory chemical requirements for Pharmaceutical Industries like High Performance Liquid Chromatography, Laboratory Reagent, and Analytical Reagent range, Molecular Biology Reagents, Dehydrated Culture Media, and Fine Chemicals and Custom Synthesis. The Aqua Check Water Testing Kits is used for analysis of water which not only will confirm what the user may already know - that the water has an odour, deposits scale, stains Plumbing, is coloured or frothy, or corrodes- but also will help and determine the extent of problem and the best way to solve it.