Cleans, de-oxidises and removes rust stains from fibreglass gelcoat, painted timber surfaces and from steelwork. A powerful cleaner, de-oxidiser and Rust-Stain remover ideally suited to Fibreglass gelcoat (Hulls) but also highly effective on painted timber surfaces and steelwork. Use to remove surface stains or as a de-oxidising preparation prior to polishing with SEPTONE FIBREGLASS POLISH Step 1 ‘Cut & Prepare’ or SEPTONE FIBREGLASS POLISH Step 2 ‘Polish & Protect’.