Star brite EZ On EZ Off Boat Bottom Cleaner 32 oz

Water based environmentally friendly formula removes barnacles, zebra mussels and scum line quickly and easily. Options: Available in 5 and 55 gallon drums.
Features: Special patented buffering process makes this product much safer then competitive acid based bottom cleaners without compromising on cleaning power.
Remarks: Makes scrapping and cleaning boat bottoms quick and easy.