Chemtech Superwash 20Litres.Powerful, multi-purpose, biodegradable cleaning gel. Safe on any surface. CONCENTRATE MAKES UP TO 2000 LITRES!Chemtech CT18 Superwash is a concentrated multi-purpose powerful cleaning gel that breaks down and removes the toughest dirt, mud, grease, oil film, grime, soot and bugs leaving a streak free, sparkling clean finish on all surfaces.CT18 is Australia s No. 1 tried and proven heavy duty cleaning gel which is excellent for cleaning all types of vehicles, 4WD s, motor bikes, caravans, boats, exterior of houses, concrete driveways, and even grassy overalls. CT18 is biodegradable, pH neutral and non caustic and inhibits rust corrosion. Safe to use on any surface including modern finish on all vehicles, fibreglass, all metal types, rubber, vinyl and glass.