Treat existing pink slime, brush affected areas prior to application apply 16 ounce per 10, 000 gallon as close to the affected areas as possible * For chlorine or bromine pools, wait 4 hours, then add 1 gallon of liquid chlorine or 1 pound of dry chlorine directly to the pool not the skimmer * For biguanide sanitized pools, wait 4 hours, then add 1-gallon of liquid chlorine or 1-pound of dry chlorine directly to the skimmer * Pink slime is not an algae, it is a bacteria and cannot be destroyed by traditional algaecides; vanquishes powerful formula gets rid of slime problems * After applying vanquish, pool water may appear greenish in color while the product is working, it"s normal; the water will clear in approx 72 hours