Less volatile than chlorine it removes mildew on and below the surface as well as algae dirt and oxidized paint but won t harm plants or clothing.
How to remove mildew from stained cedar siding.
These dark stains can be removed by wiping away any excess grease then dissolving the stain.
It s also safe for plants that may inadvertently get dripped upon during the cleaning process.
Re staining does not solve a mildew problem.
After the wood has been thoroughly rinsed and allowed to dry refinish with a coating that contains an effective mildew cide.
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.
When it is time to refinish clean off the mildew with a mild bleach solution oxygen bleach is preferred or commercial mildew remover.
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.
Chlorine can also damage foliage and stain clothing.
The safe and effective way to clean the wood is oxygen bleach.
Oxygen bleach hydrogen peroxide.
Vinegar solution 30 vinegar to 70 water simple green.
Removing the the wood mold with oxygen bleach.