"Years ago, I used a homemade ... moss killers, baking soda won't harm garden plants, soil, or water. "Dumping a whole bagful on a given plant won't be helpful, but runoff from a roof or deck ...

This homemade solution, which can be made for less than 10p, can also be used as a preventative solution. Use the solution regularly to control the moss and prevent it from coming back ...