When you've focused on cleaning the worst places, make use of a hose to obtain the entire surface area moist. Periodically sprinkle the etcher or cleaner/degreaser evenly across the whole spot and scrub the whole floor utilizing your brush. Etching the concrete will provide the epoxy a far better floor http://altbookmark.com/story6812801/5-simple-techniques-for-the-epoxy-floor-coating