For those of you that use pre treatments before your 2 bucket wash, can you just use a normal soap solution and use a foamer, or do products designed for pretreatment do that much better? I'm doing a couple of cars for a local car lot, and with sitting out in the elements near a very busy local road, there seems to be alot of brake dust fallout on them. I'm looking for a pre treatment solution, but not wanting to spend the crazy money on some of the products that I see online, if I can just use something I already have onhand.
thanks!!
thanks!!
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