DE (Diatomaceous Earth) Filter
Finest filtration at 3-5 microns; highest clarity; requires backwashing and DE powder recharge; more complex maintenance; premium option for show pools
Installed price$1,200–$2,500LA-area, parts and labor
Typical lifespan~12 yrswith regular care
Cost per year of life$100–$208price ÷ lifespan
Who usually installs it15% DIY · 85% pro
Most installs involve plumbing or electrical work. When wiring or gas lines are involved, call a licensed pro.
Common brandsPentairHaywardZodiac
Repair or replace?
A common rule: if a repair costs more than half the price of new, or the unit is in its last year or two of a ~12-year life, replacing is often the better value. Try the repair-or-replace calculator with your own quote. Ranges are LA-area estimates; see How We Estimate.
Related repairs
Maintenance that protects it
Costs and calculators
- Pool ownership costs by pool type
- Filter Cartridge Replacement (per cartridge): $100–$300
- Filter Cleaning (professional service): $150–$300
- Annual Maintenance Cost Calculator
- Pool Running Cost Calculator
- Equipment Lifespan Calculator