Duh! H 2 0, in like chemistry class. I thought it was a term in the description of the liner.
Lol same here,
Btw good word on pool contractors and some of their posts on this forum. My experience has been negative for the most part with the contractors I have dealt with, I have found 2 that stood behind their work and came back and fixed things. I have kept using them
Most things I prefer to do it myself as I can do it, I enjoy it, and it’s to expensive for me to have it done.