Hmm, the guy in the video seems pretty sure that CO2 under pressure has little to no effect on the O2 permeability, and he seems to know what he is talking about in general. That being said, I would have liked the test to have been done under similar conditions to a pressurized keg, because it just seems counter intuitive.
I do have one keg lid with an off white ring that I will probably replace now.
Also wondering about the keg lids on my fermenters that have silicone rings.
I do have one keg lid with an off white ring that I will probably replace now.
Also wondering about the keg lids on my fermenters that have silicone rings.