The backfill material is a dry mix of cement-stabilised sand. Dpending on where this is sourced the ratio of sand to cement varies. Consult the in ground install guide or engneering documentaion for specifics.
How do I protect the pool shell from potential rusting issues?
Paint exposed metal areas with a heavy-duty bitumen waterproofing membrane. Ensure proper drainage around the pool by using a slope in the backfill material to