The Lake Bottom Blanket is a chemical free, sunlight barrier that is an affordable solution for the control of the aquatic weeds that have detrimental effects on water quality and the recreational use of Lakes and Ponds. The Lake Bottom Blanket is designed for the lake front property owner to rid their waterfront of unsightly aquatic weeds with 100% effectiveness. This style of lake weed control is considered a Benthic Barrier, and its design has advantages over the other sunlight blockers currently on the market, and it is by far the least costly and easiest to use.