Sudbury Barnacle Blaster RTU Ready To Use - 32 oz Features: - Removes deposits on boat bottoms| scum line and rust stains quickly and easily - Special ingredients to quickly remove barnacles and clean rust| oil stains and algae - You've never seen anything like this! Barnacles literally begin to fall off the hull of the boat! - Requires very little scrubbing - Will not harm fiberglass or gel coat - Can safely be recirculated through sea water cooling systems| dissolving barnacles| zebra mussels| calcium| rust| lime and all other mineral deposits - Water based| environmentally friendly formula - Special buffering process makes this product safer than other acid-based bottom cleaners Specifications: - Size: 32 oz