Depending on your sand filter size, gallons per minute filtered, and other stuff - some slams take days while others take a month if your sand filter is way, way too small. Kim's point that improvement is best based on consistent photos, like ladder, steps, vac head on bottom, is important because as she points out, we're not necessarily dealing in daily changes our eyes/brain can process day to day. If you are truly looking for ways to speed it up, the experts can advise whether now is the time for either cellulose fiber or diatomaceous earth added to your skimmer in a very scientific way to expedite small particle filtration. It is 100% unnecessary unless you need the process your sand filter is doing accomplished faster. I believe photos for a few days is suggested before going there to make sure you are making progress, to verify everything working properly, just slowly.