Tulsion MB-115 demineralising resin is a highly acidic cation exchange resin blended in a mixed bed. It is designed for final polishing and can handle high input or 000ppm for ultra-pure water production. This resin is designed for window cleaning. The resin helps remove all minerals from the water, leaving you with clean, streak-free windows. At 000ppm, one 6×18 filter vessel can treat up to 2,000 litres of water.