15 gal AG batch (partial boil)

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ryan_george

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Hey everyone.

I've been brewing 10gal all-grain batches for a few months now and I'm looking to get a bit more through-put. I'm brewing 1-2 times a week now and the labor is getting to be too much!

My equipment can handle the 10gal batches fairly easily (20-25lbs of grain in the mash tun), and my pot will boil 12gal without a problem. I think my mash tun will be able to hold enough grain for a 15gal batch (30-40lbs), but I was curious about the boiling.

Since I cannot boil anymore wort than this, can I simply top it up in the fermenters after the fact? ie, boil 12gal (from my 30-40lbs of grain), and then top up with another 5 gal of cooled sanitary water? I plan on splitting this up into three 6gal fermenters (similar to what I already do for the 10gal batches).

I realize that hops utilization will change (from the higher boil gravity), and I will add more accordingly (via beersmith).

Is there anything else I'm missing?

Thanks :mug:
 
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