gadgetnut, ML offers you the best of both ways as the longterm control on cats is yet to be seen in real world conditions.You may get 75-90 % with a track hoe and as ML suggests get rid of years of organic matter and deepen the shallow areas some. Obviously this will cost more money in the short term but consider how long you plan on having this pond and it may cash flow better using the average year cost basis vs a onetime hit.Lets say you go the Habitat route and had 2500 to 3000 ft total shoreline to treat at a 10 ft band(again this is a guess based on 8 acres)you would only be treating between .6 and .7 of an acre total, About $100.00 for Habitat. Be sure any products used are labeled in your state.Good Luck
