The primary true concentrated cleaner! 4U is also diluted as much as 32 times and still retain 99% of its cleaning potency. It replaces solvents, caustics and acids, and still cleans almost anything else from fabric to engines. Combo packs (CDC) come with 4U pay attention, with a built-in dilution scale and a at hand trigger or pump spray bottle. *64 portions water: Nice washdown soap. *32 portions water: General purpose cleaner. *16 portions water: Oil spots, awnings. *10 portions water: Black streaks. * 3 portions water: Engines.