GLB Pool & Spa Products 71118 1-Quart Vanquish Algaecide 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