Begin by removing algae and other debris from the hull with a pressure washer, a scrub brush and soapy water. While wearing rubber gloves and safety goggles, then apply oxalic acid to the wet hull with the scrub brush. Scrub the rust stain thoroughly, and allow the acid to sit on the stain for 10-15 minutes.
Moreover, how do you remove rust stains from a fiberglass boat?
Furthermore, how do you remove brown stains from fiberglass boat?
What is the best homemade rust remover?
You can use white vinegar for effective rust removal. The rust reacts with the vinegar and later dissolves. Simply soak the rusty metal object in white vinegar for a couple of hours and then just wipe to remove the rust.
Can I use CLR on my boat?
Use CLR® Calcium, Lime & Rust Remover— for gunk that can build-up on stainless steel components like your boat ladder, cleats, cup holders, and connector flanges. You can also use it to keep your boat’s fiberglass body clean and smooth.
