 This is the Money Pit Home Improvement Show, here to help you take on the projects you want to get done around your house. If you've got questions, reach out to us right now at 888-MONEYPIT. Ed reached out to Team Money Pit and says, I have a shady deck and need some help dealing with a greenish growth. He says, my deck gets partial sun during the day and it has like a greenish moss all over it. How do we clean that to get rid of it and prevent it from coming back?