Above-ground water filters are available in three types—sand, cartridge, and diatomaceous earth (DE)—to keep your pool water clean. The best above-ground swimming pool filters can treat 3,000 gallons ...

For many, cooling down in the pool is at the top of their summer to-do list. If you’re fortunate enough to own a swimming pool, then keeping it in tip-top shape can feel like a daunting chore.