Cartridge pool filters have a loyal fan base, and they also get hit with the same two critiques over and over: you cannot backwash them, and you cannot easily vacuum to waste. We take those arguments seriously and walk through what is actually true, what is overstated, and what you can fix with smarter equipment choices. If you have ever wondered whether you picked the “wrong” pool filter, this breakdown will help you decide with confidence. We start with backwashing. Sand filters and DE fil...