We also get green algae and if you are doing the washing yourself, you need a pump sprayer then mix the outdoor Clorox with water and spray the bad areas before you wash. Let it work for a bit before washing off to do the most good. Pat
✫⋰⋱❥ ⋰⋱ ❥⋰⋱✫ Defeat may test you; it need not stop you. If at first you don't succeed, try another way. For every obstacle there is a solution. Nothing in the world can take the place of persistence. The greatest mistake is giving up. ..~..Unknown Author..~.. ✫⋰⋱❥ ⋰⋱ ❥⋰⋱✫
Because of the mold we tend to have down here, they use some Clorox in the water with a bit of soap-actually they spray straight Clorox on the black spots first and then a diluted mixture on the house.