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If Dawn dishwashing detergent is used to cleen roof, how much Dawn should be added per gallon of water?

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asked May 25, 2017 in Preparation by tnkpilgrim

1 Answer

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a couple ounces also we suggest 2 cups of clorox to kill any mold spores on the roof

Thank you
answered May 28, 2017 by admin
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