CUTRINE-PLUS GRANULAR is an algaecide which controls existing algae and inhibits rapid re-infestation. THIS PRODUCT CONTAINS COPPER NOT TO BE USED ON KOI. GRANULAR IS DESIGNED TO TREAT ALGAE ON THE BOTTOM OF POND.
APPLICATION RATE: For spot treatment, apply directly over infested area at the rate of 1 pound per 720 square feet (72' X 10'). Large areas should be treated at the rate of 60 pounds per surface acre (208' X 208')