Powdered Concrete Cleaner 50 LBS: Our product is a bestseller because it is an affordable, versatile, safe, and non-toxic cleaner. It is an innovative powder that de-penetrates concrete and asphalt pores, lifting grease, oil, grime, and dirt from their surfaces without re-settling. Perfect for power washing and other uses on concrete, asphalt, brick, stone, stucco, tile, grout, walls, vinyl siding, aluminum siding, and vinyl fences. This product requires a 25 pound minimum purchase.