Our pond was recently inspected at the local golf course amd it is about an 80 yard curcle pond... It is 15ft deep and has 5FEET OF ALGAE on the bottome ofthe pomd. What is the best way to get the algae killed in a timely and cost effective manner without killing the grass on the golf course. There are no fish in the pond at all so we are not worried about that aspect only the grass. Please let me know what your thoughts are on how we can go about treating this.

Thank You.