With dry and warm weather settling in this spring, it's that time of year when everyone starts to get their gardens in shape. For those with patios and decking, stubborn mould, lichen, or algae is proving difficult to remove without a high-powered jet washer—and even then, this isn't always 100% effective. However, Amazon shoppers may have found just the ticket. With Amazon's Spring Deals Week well underway, a popular outdoor cleaning solution is causing a stir among customers for its ease of