Buy Pool Filter Apr 2026
A filter that is too small will overwork your pump and lead to cloudy water. As a rule of thumb, to reduce maintenance frequency.
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 buy pool filter
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
Premium filtration; catches tiny particles for "sparkling" water. Use this guide to navigate types, sizing, and
For a rectangular pool, use: Length × Width × Average Depth × 7.5 = Total Gallons .
Sand (~3.0 sq ft), Cartridge (100–200 sq ft), DE (36 sq ft).