Post by baloononPost by JoergPost by baloononDid I read someone here wondering about a lack of activity in their
airlock? Even if I'm imagining it, I thought I'd report that my last
IPA seems to have gone all the way from 70 to 14 without any airlock
activity as far as I can tell.
I suspect there's a crack in the fermenter lid and/or a quirky gasket
around the airlock, but I won't investigate in any depth until the
fermenter is cleaned. The hydro sample tastes great, so something
good must have happened....
If you have it fill one of these S-type air locks, then put it on (not
the other way around). The water level in both chambers should be
different. If that gradually levels out without any fermentation going
on then you have a leak somewhere.
It's the other kind, the 3 piece one with the bobbing piece of plastic.
I've got a spare somewhere, but if it's something wrong with the lid
I'll probably just let it ride. It's kind of reassuring to see them in
action, but they're not really that necessary.
Considering that many older breweries had (some still have) completely
open fermenters where the only contaminant barrier is the kraeusen layer
it is probably ok. When I harvest the trub I never use an air lock. I
just slop it into sanitized pickling jars and leave the lids a bit loose
for 10-20h, then tighten them but only gently. Never had it go bad and I
did that for the last 15 beers. Aside from using it to start another
batch we make bread from it.
Post by baloononPost by JoergI had to let my Belgian Tripel ferment sans airlock because the BE-256
yeast went nuclear. AFAICT no bad effects, when I took a sip while
transferring to secondary it tasted good.
I've had one or two with top cropping English yeast blow the airlock
off, pushed open the lid and sent foam on the floor. Nothing ever went
wrong with the beer, and I wouldn't be surprised if the super thick
yeast/foam layer was basically like a bunch of expanding Great Stuff
foam spray I've used to seal around window frames.
Next time I'll hook my siphon hose to the fermenter and hang that in a
milk jug with StarSan. Hoping that 3/8" hose will be enough and most of
all not plug up. Once no more kraeusen pushes through I'll change it to
an air lock. Alternatively I could reduce the volume to four gallons.
That would mean less beer though ... nah, not going to do that.
--
Regards, Joerg
http://www.analogconsultants.com/