Weathered Wood Accelerator creates a weathered look on bare or untreated wood. It replicates the aging process that happens in nature by reacting with the wood to create a unique one-of-a-kind aged gray look. No need to find an old barn or old wood to get a reclaimed look. One-of-a-kind aged gray look. Reacts with the wood and imitates what happens in nature. Works on all types of bare or untreated wood. Final look will vary based on wood type. Low odor. Water-based for easy clean-up.