Join Date: Jun 2008
Location: Concord NH
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Rep Power: 9
I go for mold/mould. 25% bleach and water w/ garden sprayer. Let t do ts work by sitting on surface a few minutes. Scrub down with brush. Rinse.
THEN re-apply a second helping of solution, let sit and keep from drying by spot spraying. rise.
Do not try to remove with power washer as it just forces H2O into areas that
it should not go.