House Works: Kill mould stains with oxygen

Sooner or later every deck, shed, fence and outdoor wood surface gets mouldy or weathered in time. Even non-wood surfaces such as composite decks, plastic lumber and vinyl siding start to grow things as the forces of nature have their way.
Entire lawsuits have even been launched over the growth of mould and fungus on outdoor building materials. For years, chlorine bleach as been the go-to option for removing stains like these, but in some ways this is a case of the medicine being worse than the