Brandon wrote:
I am having a heck of a time finding an answer. I have a 13,500
gallon pebble tec freeform pool. I.A 763 surface area of 435square
feet. 82 foot perimeter.
I am going to replace the Jacuzzi cartridge filter with a sand filter(
Hayward, Pentair,sta-rite...other suggestions appreciated), filled
with one of the Zeotype medias.
BUT I cant figure out what SIZE filter to buy..
18/24/30?
Is there somewhere to determine this online? I have been told three
different things by different dealers.

Thanks
Brandon

http://www.pested.msu.edu/BullSlideN...E2621chap8.pdf