How many gallons is a 18x33 oval pool?
About 14,018 gallons at 4 ft of water. Above-ground pools this size have 48 to 54 inch walls, which leaves around 4 ft of water.
| Water depth | Gallons | Liters |
|---|---|---|
| 3.5 ft | 12,266 | 46,427 |
| 4 ft | 14,018 | 53,060 |
| 4.5 ft | 15,771 | 59,692 |
Chemical doses for 14,018 gallons
| To do this | Use | Amount |
|---|---|---|
| Raise free chlorine 1 ppm | Liquid chlorine 12.5% | 14 fl oz |
| Shock from 1 to 16 ppm (CYA 40) | Liquid chlorine 12.5% | 1 gal 87 fl oz |
| Shock from 1 to 16 ppm (CYA 40) | Cal-hypo 65% | 2 lb 11 oz |
| Salt from 0 to 3,200 ppm | Pool salt | 373 lb 13 oz |
| Raise alkalinity 10 ppm | Baking soda | 1 lb 15 oz |
These are starting doses. Add, circulate for an hour, retest. For your own readings use the chlorine, shock, salt, pH and alkalinity calculators.
Full dose tables for the nearest round number: shock for a 15,000 gallon pool, chlorine for a 15,000 gallon pool, salt for a 15,000 gallon pool, baking soda for a 15,000 gallon pool.
Other oval sizes
12x24 oval pool, 15x30 oval pool, 16x32 oval pool. Or see every size.