Detailer polishing a glossy white fiberglass boat hull to remove oxidation and restore shine
boat detailing

How to Stop Oxidation on a Fiberglass Boat

To stop oxidation on a fiberglass boat, remove the chalky layer by washing and compounding the gelcoat, then seal it with a UV-blocking marine coating so it cannot return. Here is the full correcti...

boat detailingWater beading and sheeting off a glossy white boat hull gelcoat protected with a hydrophobic marine coating

How to Remove Water Spots From a Boat Hull (and Stop Them Coming Back)

Water spots on a boat hull are dried mineral and salt deposits left on the gelcoat. Wash with a marine-safe soap, dissolve the deposits with a water spot remover, then seal the gelcoat with a hydro...

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boat coatingA person applying protective coating to the white gelcoat hull of a boat on a trailer

How to Ceramic Coat a Boat Hull and Gelcoat Yourself

To ceramic coat a boat hull yourself: wash and decontaminate the gelcoat, oxidation-correct if needed, dry it, then apply a marine coating panel-by-panel and buff off the high spots. Undrdog Marine...