I'm installing a 15 x 24 used pool.

I've poored my cement sidewalk "support" yesterday as per the manuf. instruction. I will remove the forms tonight and prepare to install the liner.

The installation instructions are unclear as to when do I install the bottom drain cover and punch a hole in the liner. They way I read it I should wait until there is around a foot of water in the pool before installing and cutting the liner. Anybody did it like that? Anybody with a different way of doing it.

Tx

Yves