With the pool pump in operation, broadcast the product evenly into the deep end of the pool. In potentially bleachable surface pools such as vinyl, paint, fiberglass, or colored plaster, brush the pool after application to ensure complete dissolving of the product's active ingredient. NEVER ALLOW UNDISSOLVED PRODUCT TO REST IN CONTACT WITH BLEACHABLE POOL SURFACES.
In water temperatures below 70°F, or as an alternate application procedure, pre-dissolve this product prior to applying evenly at the deep end of the pool. Dissolve this product outdoors, in a clean plastic bucket stirring with a clean plastic or wooden spoon. Add this product to water; NEVER add water to a product. NEVER add more that 1 pound of this product to less than 3 gallons of cool water. Do not mix with other products when redissolving.