Anyone heard of this?

[Halas]

Has anyone ever heard of a garbage bag that doesn't leak or leach chemicals? I have an idea for a conical fermenter made out of a garbage can and spray foam, but I need a liner that would be in contact with the beer.

 

[broadbill]

https://www.homebrewtalk.com/f13/source-15-gal-food-grade-liners-210413/

 

[Halas]

Thanks.15 gal conical here I come!