In-Ground Saltwater (Fiberglass) - 18,000 gal
saltwater (SWG)Unheated~25 yr lifeBest for: Upscale LA homes, owners prioritizing low maintenance, pools in high-wind areas, vacation rentals
10-year total$51,000–$92,000install + 10 years of running costs
Install$40,000–$70,000
Per year$1,100–$2,200chemicals, power, reserves
Per month$92–$183yearly ÷ 12
Typical annual maintenance: $700–$1,600 (mid $1,100). LA-area estimates, not quotes. See How We Estimate.
Where the yearly money goes
The light part of each bar is the low estimate. The full bar is the high estimate.
What wears out, and when
- Fiberglass gelcoat blistering/cracking (15yr $300-1000 repair, 25yr $2000-5000 resurfacing)
- salt cell issues (5-7yr $700-1200)
- pump wear (8yr $1200-2500)
- surface cracks (8-12yr $200-600 repair)
Your time and effort
- About 130 hours of upkeep a year
- Difficulty 2 out of 5
- Lower seasonal variation than plaster. Q1 $150-250, Q2 $300-500, Q3 $200-400, Q4 $100-150. Fiberglass more stable temperature.
Popular upgradesVariable-speed pumpautomation systemheat pumprobotic cleanersolar heaterLED lighting with color effects
Maintenance schedules
Related cost items
- Annual Pump Operation (Variable-Speed, 1.5HP, 8 hrs/day): $400–$600
- Shock Treatment (weekly): $20–$50
- Salt (annual top-up): $100–$300
- pH Adjustment (muriatic acid or soda ash): $30–$100
- Alkalinity Adjustment (sodium bicarbonate): $20–$60
- Cyanuric Acid / Stabilizer (annual or less): $25–$80
- Algaecide (preventative or treatment): $30–$100
- Filter Cleaning (professional service): $150–$300
- Salt Cell Replacement: $400–$1,200
- Pump Replacement (variable-speed, 1.5-2.5 HP): $1,200–$2,500
Equipment and repairs
- Variable-Speed Pump (1.0-2.5 HP)
- Single-Speed Pump (legacy)
- Sand Filter Tank
- Cartridge Filter Tank (24-96 sq ft)
- DE (Diatomaceous Earth) Filter
- Replacement Filter Cartridge
- Gas Heater (200K-400K BTU)
- Heat Pump (electric, 50K-100K BTU equivalent)
- Pump Motor Failure / Not Priming
- Pump Motor Wear / Bearings Failure
- Pump Shaft Seal Leakage
- Pool Leak (Shell Crack/Liner)
- Plumbing Line Leak (Buried)
- Salt Cell Failure / Low Chlorine Production