Gel for removing ingrained dirt and staining    (Previously Marine Surface Cleaner) Removes yellow/brown waterline stains, rust stains, bird lime, lime scale and other ingrained dirt and staining from gelcoat, timber and steel painted surfaces. Gel formula for easy application to vertical surfaces. Magically absorbs stains Simply paint on – leave for 30 – 60 minutes and rinse!!  NO hard rubbing or scrubbing Contains NO harsh caustics, bleaches, oxalic, muratic or hydrochloric acids Environmentally Responsible and Biodegradable 1 Litre