I made 4 testers,
1 - added FO @ 117F, poured @ 112-110F
2 - added FO @ 120F, poured @ 118-117F
3 - added FO @ 160F, poured @ 135F
4 - added FO @ 180F, poured @ 145F
For all of these, after initial dry they looked wrinkly at the top. And after I burned, they dried like the photos attached. I...