Rustlick™ 76052 Kleenzol DY Water-Soluble Alkaline Cleaner, 5 Gallon PailWater-Soluble Sump and Shop Cleaner Kleenzol DY is a water-soluble alkaline cleaner used for cleaning and degreasing sumps between coolant changes. It quickly penetrates and removes built-up chips and residue and it contains rust preventatives to protect machines during cleaning. This versatile cleaner can be used as a general industrial cleaner throughout the shop and is an excellent cleaner for parts washers. Kleenzol DY is safe for all ferrous and nonferrous metals.