The scum pond is delaminating well ahead of schedule. This is a good hypothesis for why.
They're dumping peroxide in at the edges, where the polyurea attachment will be patchy thanks to shrinkage during curing. O2 will be produced at the concrete surface, mechanically lifting the membrane.
The Monarch Diaries
Adding in hydrogen peroxide probably to blame, the 0² can bond under the laminate and pop it right off
