I use a 20qt. stainless I got a target for $40,and do a 4 gallon boil in it, so far never had any issues with boil overs, for some reason the foam on top of the boil seems to break up super fast in this pot.
“This is grain… which any fool can eat. But for which the Lord intended, a more divine means of consumption. Let us give praise to our maker, and glory to His bounty, by learning about….. beer.” – Friar Tuck