Greetings.....

I am to the point in the pool that I have to bring in the bottom product and cove. The pool being built is a 12 x 24 that we have put into the ground 4' and sits on a compressed backfill of rock dust (much tighter than DG and sets like concrete but permeable). Everything is dialed in to within 1/16th of an inch all the way around and the base is dead level. We are also using a J-hook liner.

The question(s): Instructions call for 2" sand, but I have been reading here about this pink foam. Given how solid and level our base is, can the foam be substituted for the sand? Where may one find this?

Instructions call for a 6-8" cove, which the Gladdon self sticking cove we have is 4". Does this change my base thickness?

Also, we are going to use comfy bottom, does this have any effect on our sand volume?

I greatly appreciate the help. Things have been relatively straight forward on the is project but, this are has concern due to the liner and our understanding of how well in must be fitted.

Thank You Kindly,

Bob-