MAINTAIN Sodium Percarbonate CleanerWood restoration made easy! This product is a high quality sodium percarbonate cleaner, specially designed for all wood decks, siding, fences and other exposed wood surfaces. It is a light duty cleaner. When Do I Use MAINTAIN? Use this product on new wood without algae, mold mildew or previously stained wood that you do not want to "pull out" any of the stain. Before and After Photo Credit to TJ Black Don't forget to check out our other Wood Care