There are huge sections that are covered (15feet x 10feet), would you only recommend a magic eraser? or would some very stiff brush do the trick to scrub them off with?
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My business name is "Moore Exteriors" it is located in Branson Mo. My email is Ethan@MooreExteriors.com (417)-699-3161
ETHAN, HAD TO BID ON A HOUSE THAT HAD THIS ON IT THE BID FELL THRU BUT THIS IS WHAT I FOUND .I HAVE NOT TRIED IT SO CANNOT VOUCH FOR IT......http://powerpressurewash.com/artillery-fungus-and-spore-remover.html
That chemical is designed to only work on the fungus if it's 2 weeks old. I'm sure it would work if you catch it within 2-5 months. Anything older than that will still leave a halo behind.
Always good to hear more about this terrible stuff. Expectations with customer. Managed to score a total planting bed replacement at one house we cleaned. White house with bark mulch all around it. Yikes. Now it is a white house with beautiful stone all around it. Magic Eraser and finger nail. :)