What's the best soap to use...
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What’s the best soap to use for cleaning aluminum siding?
Answer
Try this recipe: 1/3 cup laundry detergent, 2/3 cup TSP (trisodium phosphate), 1 quart household (5 percent) bleach, and 3 quarts water. Mix all the ingredients together, apply to your siding, and rinse immediately.
