It is non toxic to trees and vegetation and will not remove natural color from the siding.
How to remove mildew from stained cedar siding.
Re staining does not solve a mildew problem.
When it is time to refinish clean off the mildew with a mild bleach solution oxygen bleach is preferred or commercial mildew remover.
The safe and effective way to clean the wood is oxygen bleach.
After the wood has been thoroughly rinsed and allowed to dry refinish with a coating that contains an effective mildew cide.
Oxygen bleach removes algae mold and mildew from cedar restoring much of the wood s natural beauty.
Chlorine can also damage foliage and stain clothing.
Removing the the wood mold with oxygen bleach.
It appears to make mildew vanish but on porous surfaces such as wood or vinyl siding chlorine evaporates too quickly to get to the fungi s roots guaranteeing regrowth.
These dark stains can be removed by wiping away any excess grease then dissolving the stain.
Tip 4 removing grease stains dark spots on cedar products such as shake siding can sometimes be made by oil or grease that collects dirt and soon becomes dark.
Vinegar solution 30 vinegar to 70 water simple green.
Oxygen bleach hydrogen peroxide.