Originally Posted by Grinder12000
Not all beer needs a blow off tube but . . . . . . when you are not prepared is when you will need it.
Like on your very first batch, a relatively low OG brew that really SHOULDN'T need a blowoff. It's not like it contains wheat or is fermenting too warm. So, there's absolutely NO reason that, come morning, you'll find a tower of brown foam shooting out of the airlock.
Lets just say I start with a blow off on EVERY batch now, whether they "need" it or not!