FIGHT DIRTY. Renew your home?s exterior and rejuvenate the look of your wooden deck with Sun Joe?s SPX-HDC1G House & Deck All-Purpose Concentrated Cleaner. Clean exterior vinyl and aluminum siding, prepare surfaces for painting or staining, remove mildew from brick and concrete, and much more! Specially formulated for use with pressure washers, this biodegradable, non-toxic, and completely bleach-free formula can also be applied with a mop or brush to tackle a variety of exterior cleaning tasks. Simply dilute as recommended to achieve the desired cleaning results, then fill your pressure washer detergent tank or soap sprayer attachment and power up to produce loads of soapy suds to spray away stubborn dirt, grease, gunk, and grime. Now you?re ready to fight dirty!