Hello,
Brand new above ground pool. 27' Diameter, 54" sides, 12-18" dish in center. When using this formula (diameter(27) x diameter(27) x average depth(4.5) x 5.9) I come up with 19,354 gallons.
Dealer equipped pool with the Hayward Aqua-Trol T Cell 5. The manual says it is rated for 18,000...