45 pounds of salt for 15,000 gallon pool
Most saltwater pools need 1-2 pounds of salt per 1,000 gallons. For 15,000 gallons, calculate 15,000 × 1.5 = 22,500 ounces ÷ 16 = 1,406 ounces ÷ 32 = 44 pounds.
Salt Requirements for Pool Sizes
- Small pool (5,000 gallons): 5-10 pounds
- Medium pool (10,000 gallons): 10-20 pounds
- Large pool (15,000 gallons): 15-30 pounds
- Extra large pool (20,000 gallons): 20-40 pounds
Pool Salt Types and Costs
- Granular salt: Most common, $0.10-0.20 per pound
- Table salt: Less expensive but may cause mineral buildup
- Pure salt crystals: Premium option, $0.25-0.35 per pound
Cost Comparison for Pool Salt
| Method | Cost per 15,000 Gallons | Time to Add | Notes |
|---|---|---|---|
| Granular Salt | $4.50-$9.00 | 2-3 hours | Standard choice, easy to dissolve |
| Table Salt | $2.25-$4.50 | 1-2 hours | Cheap but requires more frequent cleaning |
| Pure Crystals | $7.50-$10.50 | 3-4 hours | Best for water clarity, slower dissolution |
Adding Salt to Your Pool
- Fill pool to proper level before adding salt
- Add salt slowly while circulation is on
- Test water chemistry after 24 hours
- Adjust pH levels if needed