Nutra-Sol Tank Cleaner is a powerful formula that is designed to eliminate pesticide residues from sprayers. It is very effective in safely removing and cleaning leftover chemicals, including those hard-to-remove ones which may remain active even at low rates. This ensures that every application from your spray equipment provides consistency and reliability. You can also be sure that all parts of your sprayer including tanks, hoses, pumps, nozzles, and valves will be thoroughly cleaned after use. Product comes in 2 lb. bottle.