Instantly removes waterline stains, algae stains, rust and gas exhaust stains. Softens barnacle rings and zebra mussels for easy removal. Not harmful to fiberglass. Brush it on! Rinse it off! It's that easy!
PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov
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