Hot Tub Foam Replacement

DIYLinerPool

Well-known member
Sep 28, 2020
78
Chicago (West Suburbs), IL
Pool Size
16000
Surface
Vinyl
Chlorine
Liquid Chlorine
I just fixed a cracked check valve on a used hot tub I recently purchased. I dug out a decent amount of insulating foam. What should I replace it with? Do I just go buy some great stuff and spray it in there? Do I use a non-spray foam type insulation? Please let me know, thanks!!