WC-1 is the most versatile water conditioner for closed-loop systems on the market. This all-purpose water conditioner is ideal for light to moderate oils and solids. Typical applications include: Heavy Equipment, Manufacturing, Car Washes, Waste Haulers, Trucking, Lumber, and Oil Field Service. It can be added to recycle systems either weekly, bi-weekly or by continuous injection. WC-1-% is ready to use and comes in a 5 gallon pail and 55 gallon drum.