FSR Stain Remover BIG JOB - 2L Soft foam cracks and holes

cracks and holes

You can vary the water level somewhat to change consistency of the mixture

Miniatures

caulking or wood dowel

FSR Stain Remover BIG JOB - 2L Soft foam cracks and holesFSR (Fiberglass Stain Remover) is a unique stain absorbing gel that is ideal for removing oil, rust, exhaust, waterline and transom stains. Results within minutes Requires no sanding or compounding Its non abrasive quality means that it's safe to use on white painted surfaces as well as on gel coat Use on: Fiberglass stain Use anywhere else fiberglass stains may crop up including shower stalls, furniture, etc. Use for removing road soil from trailered