Designed to be used after Defy Wood Cleaner or Defy Stain Stripper to neutralize the surface and restore the natural beauty of exterior wood. In addition to neutralizing the surface of the wood, it's great at removing rust or tannin stains caused by fallen leaves. It is recommended for surface preparation prior to initial application of clear and semi-transparent finishes and stains. Liquid concentrate makes 5 gallons. Mix 1 part product to 4 parts water. Brightens wood to help stain to penetrate. Recommended for all types of wood, including redwood. Coverage: 500 To 1000 Sq. Ft. when mixed with water.