Your filter system is the backbone of clear pool water. If the pump moves the water, the filter is what removes the dirt, oils, and fine debris that make water look dull or cloudy. For above ground pools, the “right” choice usually comes down to three filter types: sand, cartridge, or D.E. (diatomaceous earth)—each with a different balance of clarity, maintenance, and convenience.
Contained in the blog is a practical way to pick a filter system that matches your pool size, how you like to maintain your pool, and the water clarity you’re aiming for.

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