Cabot® 10241-08 Natural Driftwood Bleaching Stain, Natural Gray, 5 GallonCabot Bleaching Stain is uniquely formulated to accelerate the natural weathering process of uncoated exterior wood. It contains a small amount of gray pigment and a chemical ingredient that actually bleaches the wood's surface. When first applied, this product gives a delicate gray tone, and during the first few months' exposure it gradually turns into a beautiful, natural driftwood gray color. This weathered effect, if derived by nature, would