Signs for when to replace pool cartridge filter
Figuring out exactly when to replace pool cartridge filter units is one of those things that usually comes down to a mix of common sense and a few specific red flags. You don't want to toss a perfectly good filter too early because they aren't exactly cheap, but waiting too long is a recipe for a swampy, green backyard mess. If you've been hosing yours down every other weekend and the water still looks a bit "off," you're probably already at the finish line. ...