Cost to Convert Pool to Saltwater
On February 16, 2025 By newsroom Topic: Home Services
Average Conversion Costs
- Above-Ground Pools: $500–$1,500
- In-Ground Pools: $1,000–$2,500
Key Cost Factors
- Pool Size
- Larger pools require higher-capacity generators and more salt.
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Generator Cost by Pool Size:
| Pool Size (gallons) | Generator Capacity | Cost Range |
|-------------------------|--------------------------|-----------------|
| 10,000 | 15,000–20,000 gallons | $700–$1,230 |
| 20,000 | 30,000–40,000 gallons | $1,180–$2,400 |
| 30,000 | 45,000–60,000 gallons | $1,430–$2,950 | -
Salt Requirements: 200 lbs per 10,000 gallons.
- Salt Costs: $20–$55 per 40-lb bag.
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Pool Type
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Above-ground pools typically cost less to convert than in-ground pools due to smaller size and lower generator requirements.
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Equipment and Materials
- Salt Chlorine Generator: $500–$2,000
- Salt: $100–$750
- Pool Pump (if needed): $400–$3,100
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Pool Filter (if needed): $250–$2,000
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Labor
- Installation: $100–$200
- Includes generator setup, salt addition, and system testing.
Ongoing Expenses for Saltwater Pools
- Electricity Costs:
- $35–$50/month.
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Generators run 4–6 hours/day in winter and 10–12 hours/day in summer.
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Salt:
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$100–$400/year for salt replenishment.
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Maintenance:
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Annual Pool Service: $960–$1,800 (cleaning, water testing, equipment checks).
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Repairs:
- Generator Cell Replacement: $700–$1,100 (every ~5 years).
- Control Board Replacement: $500–$900.
Pros and Cons of Saltwater Pools
| Pros | Cons |
|-------------------------------------|-------------------------------------|
| Gentler on eyes and skin | Higher upfront costs |
| Softer water feel | Increased electricity bills |
| Lower ongoing maintenance costs | Salt may corrode metal components |
| Reduced chemical exposure | More complex DIY installation |
DIY Conversion Costs
- Savings: DIY can save at least $100 in labor costs.
- Process:
- Add pool-grade salt.
- Install and connect the salt chlorine generator.
- Monitor salt levels and test the system.
Add-Ons for Saltwater Pools
- Saltwater Hot Tub: $6,500–$18,000
- Pool Deck: $3,000–$12,000
- Pool Fence: $1,500–$10,000
- Pool Enclosure: $6,010–$17,300
- Pool Cover: $770–$2,600
- Water Features (e.g., waterfall): $1,500–$5,000
Switching to a saltwater pool can offer a luxurious swimming experience with lower long-term maintenance costs, making it a worthwhile investment for many homeowners.
