Hydro-Force Viper Renew 3.8ltr Base UOM:3.8LTR so you don’t have to

so you don’t have to worry about leaving orange stains on grout

It has special thickening agents which allow it to contain 30% more active ingredients than other pre-sprays

and debris

High-performance extraction equipment

Hydro-Force Viper Renew 3.8ltr Base UOM:3.8LTR so you don’t have toUse Viper Renew when all other cleaners have failed. It works on the acid side of the pH scale removing soils and stains on grout, tile, and stone that have been neglected for years. Viper Renew actually removes a very thin layer of grout, taking with it all hard water deposits, soap scum, and efflorescence. The proprietary organic salt in Viper Renew is twice as effective as phosphoric acid at dissolving calcium carbonate and without unpleasant