- Contains a purple colour indicator. - Reduces the possibility of accidental ingestion. - Cost effective in use concentration of 1%v/v. - Supplied with rinse water test papers. Cover every contingency with Proton's expert range of drinks dispense system cleaners. Our dispense care products have been developed to meet the demands of today's licensed retailers. From beers to lagers stouts to ciders wines to soft drinks - Proton products are suitable for all types of drinks dispense. From keg to cask manual to automatic - Proton products are suitable for all types of dispense system cleaning applications. All products carry the endorsement of major drinks brand owners and give exceptional cleaning and disinfection results in all water conditions.