Its a metal frame. The area is contained as it used to be a playground area for kids. My plan it to build a deck around the pool so I dont know about a patio paver system. And forthe legs I was going to use concrete blocks for those. But I dont want a sinking pool. So whatever needs to be done.
If its unstable I can always dig out the bark and put some fill dirt in then the sand. No big deal.
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