Size Gallons / Liters Perimeter 18' - 42" Wall 5,900 / 22,300 57' 18' - 48" Wall 5,900 / 22,300 57' 20' - 42" Wall 7,200 / 27,300 63' 20' - 48" Wall 7,200 / 27,300 63' 22' - 42" Wall 8,700 / 32,900 69' 22' - 48" Wall 8,700 / 32,900 69' 24' - 42" Wall 10,200 / 38,600 75' 24' - 48" Wall 10,200 / 38,600 75'