Len, we are sorry that the Ortho Insect, Mite, and Disease Control Ready-to-Use did not perform as expected. There are a variety of factors that can influence the efficacy of our products, and if just one of these factors is not right it can lead to the product not performing as expected. It is always our goal to produce the highest quality products and we stand by the promises made in our advertisements. For this reason, we offer a product guarantee to our consumers. At your earliest convenience, please call 877-220-3089, and reference this product review for assistance.