What size pump and filter do you need for a 13000 gallon inground swimming pool?

* Flow rate: 1,300 - 1,500 gallons per minute (GPM)

* Horsepower: 1.5 - 2 horsepower (HP)

Filter:

* Type: Sand or cartridge filter

* Size: 48-inch diameter for a sand filter or 50-square-foot surface area for a cartridge filter

These are general guidelines, and the actual pump and filter size you need may vary depending on the specific characteristics of your pool, such as the size and shape, the number of swimmers, and the climate. It's always a good idea to consult with a pool professional to get the best recommendation for your pool.