If I have room, I may use outer o-ring plus silicone nipple gasket as a precaution. But I'll coat the threads with PTFE or silicone to keep the liquid on the inside, and out of contact with the stock o-ring.
Den Faaborg Bryggeri
Originally Posted by davekippen
Open log Fermenting and gas-can secondary?? I am planning my next brew right now!!