Weight washers can work enchantment on concrete or decking, and the best can delete decades of stains with a short impact. In any case, as Consumer Reports has shown in its tests, a weight washer is significantly more than a powerful garden hose. It can coordinate a flood of water with such power that it can pierce skin and even slice through defensive apparatus, including boots. MORE ON PRESSURE WASHERS Surfaces That Are Safe to Pressure Wash Weight Washer Safety Alert Instructions to Clean a Deck With a Pressure Washer Customer Reports Zeros In on Pressure Washer Safety That is the reason CR doesn't suggest any weight washers that incorporate a zero-degree tip or spout, which outfits water control into the best, most intense stream. "It's not only that zero-degree spouts are hazardous; they're not by any stretch of the imagination essential," says Dave Trezza, who regulates weight washer testing for Consumer Reports. "Our testing routinely finds that you ca...