Pump Woes

[NullQwerty]

It's a 36 X 18 foot inground vinyl. Deep end is 8 feet and shallow is 2 or 3. So, my guess is about 24,000 gallons. The pump is the Hayward EC-65 which is 67 gpm.

Edit: 67 gpm was specs from the internet. The filter itself says Flow range is 35-65 gpm