Happy Valley Posted May 20 Share Posted May 20 (edited) As per the title. Are there any recommendations preferably also stopping future growth? Thanks. Edited May 20 by Happy Valley Link to comment Share on other sites More sharing options...
ProDave Posted May 20 Share Posted May 20 I mix 1/3 bleach and 2/3 water in a squirty bottle and squirt with that, then let the rain wash it off. I do it annually. 1 Link to comment Share on other sites More sharing options...
nod Posted May 20 Share Posted May 20 Use Alge-cide Pick a dry day 12 hours minimum Then wait for the next rain to wash it off 1 Link to comment Share on other sites More sharing options...
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