f4an
Member
I am going to do my first BIAB and I was wondering if I should buy a fine or coarse bag? Any suggestions.
I have read on several places that you want to avoid nylon, as it will become somewhat "stretchy" when hot. Anybody know of where to buy a bag big enough to do 10gal batches in a keggle?
I bought one from northern brewer about a months ago:
7322 Straining Bag - Coarse Mesh 18" x 32" 1 $5.99 $5.99
Just used it last weekend for my first BIAB Full Mash and it worked great. Wort came out perfectly clear, I did a vorlauf, but wouldn't have had to.
I used a modified BIAB - I made a temporary MLT out of a 5 gallon igloo cooler:replaced the little spring valve with a ball valve, Lined the cooler with the mesh bag. The only minor snag was I had to pull the bag up little bit and wiggle it to get it to start flowing when I opened the valve.
12.5 grain, single fission, batch sparge, and managed about a 65% eff. - not to bad for a first attempt at full mash
Go to a hardware store and buy a paint strainer bag - i use this all the time and it works great. It also costs half as much as the "specially made for brewing bags" and it is pretty much the exact same thing.
I've never seen one big enough for a real BiaB. The 5 gallon kind works great for partial mashes and hops, though.
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