Buy Pool Filter Apr 2026

The three main types vary by their filtration precision (measured in microns) and maintenance needs. Filtration Level 20–40 microns Budget-friendly; low maintenance; lasts 5–8 years. Least precise; requires backwashing (wastes water). Cartridge 10–15 microns No backwashing; easier to install for above-ground pools. Cartridges need replacing every 1–2 years. D.E. (Diatomaceous Earth) 1–5 microns

A filter that is too small will overwork your pump and lead to cloudy water. As a rule of thumb, to reduce maintenance frequency. buy pool filter

Buying the right pool filter is the most important decision for keeping your water clear, as it handles in maintaining water quality. Use this guide to navigate types, sizing, and key compatibility factors. 1. Choose Your Filter Type The three main types vary by their filtration

Premium filtration; catches tiny particles for "sparkling" water. Cartridge 10–15 microns No backwashing; easier to install

For a rectangular pool, use: Length × Width × Average Depth × 7.5 = Total Gallons .

Your filter's flow rate (GPM) must be equal to or higher than your pump's output. For example, a 20,000-gallon pool with a pump turnover of 42 GPM requires a filter rated for at least 43 GPM. Capacity Chart: