BLC Beverage Line Cleaner is a value focused way to remove beer stone, biomass, organics and mineral deposits from beverage lines. BLC is a liquid product that does not cake or harden and it mixes instantly. This nitrate-free formulation is also low in phosphates and 100% biodegradable.The primary active ingredient in BLC is potassium hydroxide, an alkaline compound with easy rinsing qualities that is less corrosive to metal parts and fittings. BLC is a blend of potassium hydroxide with a proprietary blend of surfactants and chelating agents to help the caustic loosen and suspend soil. BLC is a highly-effective cleaner and one of the milder brands of liquid beverage line cleaner. BLC is ideal for direct draw systems, tap boxes, or any system that uses shorter runs.