The vacuum easily removes algae * The auto fill and drain cycles allow for water to fill the vacuum canister * The 2 H.P. motor is made with high quality German made components. * In suction tests, Matala Pond Vac II is four times more powerful than its competition with a suction lift 5" above water. * The Muck Buster Vacuum II is perfect for hobbyist ponds up to 3000 gallons.