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Sand Portland Mix in the majority of the bottom. The deep end is pure concrete in hooper. The walls are polymer with gravel back fill. 10 inch collar and concrete patio around the top.What did they finish the pool bottom with?
Nothing that I think would be useful. I understand that the thin concrete on a pool bottom is susceptible to cracking if left exposed. I would think worst case scenario you’ll have to hammer out and patch a few cracked areas. Maybe there are no cracks and you’ll just hang the liner in spring.Any advice