Barnacle Buster® is a safe, non-toxic and biodegradable marine fouling remover specifically designed to meet the industry need for fast, safe and cost effective alternatives to mechanical cleaning of seawater cooled equipment. Barnacle Buster® requires minimal disassembly and can be safely circulated through seawater cooling systems to dissolve barnacles, zebra mussels, calcium, rust, scale and any other mineral deposits. Most applications can be completed within 4 hours! Content 4.5 litres