Algaecide (algae preventative/treatment)
Consumable liquid; used preventatively or for algae blooms; quart bottles typical; DIY application; monthly use common in LA summer
Installed price$30–$100LA-area, parts and labor
Typical lifespan~0.25 yrswith regular care
Who usually installs it100% DIY · 0% pro
Most installs involve plumbing or electrical work. When wiring or gas lines are involved, call a licensed pro.
Common brandsCloroxBaquacilHaywardAqua Chem
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 ~0.25-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
- Algaecide (preventative or treatment): $30–$100
- Annual Maintenance Cost Calculator
- Pool Running Cost Calculator
- Equipment Lifespan Calculator