Interlux Y202/1 Fiberglass Solvent Wash, 128. Fluid_Ounces Removes mold release agents, wax, oil and grease from hulls of bare fiberglass boats Effective in removing wax and silicone contamination from painted hull surfaces that are being prepared for repainting Use is essential prior to painting fiberglass gel coats, regardless of their age Effective brush cleaner Size: 1 Gallon