metaltim
Well-Known Member
I'd like to use a blow off tube for my primary fermentor, the regular ale pails. how big is the hole (with the grommet) that a standard airlock fits in. can I just find appropriate OD tubing and just shove it in there?
how big is hold that airlock fits in?
- Thread starter metaltim
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Yes. A shade smaller than your standard 3/8" siphon tubing works great.
metaltim
Well-Known Member
my primary buckets are just 6 gallons. i had my first explosion yesterday, (first time i've ever pitched onto a previous yeast cake.) so i want to prevent this.. i don't have any carboys that are 6 gals, so i use the bigger buckets.
rico567
Well-Known Member
When I changed to primary buckets from U.S. Plastics (their 7 gal. model), I drilled 1/2" holes in the lid with a wood (paddle) bit, and the grommets I bought from Midwest fit perfectly. That particular bit drills a nice, smooth hole.
theonetrueruss
Senior Member
I found that 5/16 ID tubing works well for my blow off in the hole of the bucket or the hole of a drilled bung.
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