Pour or spray CLR onto a rag, sponge or cloth. Apply on the surface to clean, making sure that the stain is saturated. Leave it in place for 2 minutes to allow the product to dissolve the lime, rust or calcium. Thoroughly rinse with cold water.
Beside above, how do you remove water stains from gelcoat?
Accordingly, is it OK to use bleach on fiberglass boat?
Yes, you can use bleach to clean your boat, whether it’s fiberglass or the vinyl boat seats.