GreenWays Original Pond Pads (7"L X 7"W X 0.5"H; Barley & Cotton)

Pond Pads are to be used to keep a clear, clean healthy average sized garden pond.Harmless to plants fish & animalsMade from pure barley straw and natural cottonFully biodegradableEach pack contains 3 pads to give 12 months protection to a pond of up to 700 gallons, in cases of heavy infestation twice or even three times that dose should be used