I'd like to make the move to all-grain, but it's fairly equipment-intensive. I see combination mash tuns and brew kettles. Are these a solution? Can I use the kettle for mashing, then transfer to another container, clean this one out, and re-use it for a brew kettle? That sort of seems like asking for hot-side aeration and hassle?

If they're not reusable, they just seem like an expensive replacement for a 10 gallon Igloo cooler with false bottom, right?

  • The link is broken. Commented Feb 22, 2010 at 1:13
  • Huh, I just tested from another location and it works for me. It's this: google.com/search?q=site:morebeer.com+8+gallon+mash+tun+kettle Commented Feb 22, 2010 at 14:54
  • Really weird. When I click the link I get B3's 404, but if I cut&paste, I get the product. Commented Feb 22, 2010 at 15:13
  • Odd. Is that for the link in my post and in my comment? Commented Feb 22, 2010 at 16:04
  • Only the one in the post. Looks like the link is URL-encoded and gets messed up on the way to B3. If you r-click & "copy link location" it comes up with ...Mash%5FTun%5F-%5F8%5FGallon%5FHeavy%5FDuty%5FBrew%5FKettle, which is a perfectly valid URL, but it may confuse B3. I'm done troubleshooting it (-: Commented Feb 23, 2010 at 13:56

2 Answers 2


Seems reasonable. I usually clean out my mash tun while I'm waiting for the wort to boil, so you would lose some time. All-grain brewing is already more time-intensive than extract.

Instead I suggest you do a little research into the brew-in-a-bag technique. The method is nearly the same as your combo-tun-kettle, except the grain is in an easy-to-remove giant sack. I've used it a few times for 2-3 gallon batches, but you can do full 5 or 10 gallon batches using a bag.

  • Yes, it seems like the brew-in-bag/partial mash is the way I'll be going. Seem to get a lot of the benefit of all-grain/mash tun, but with less equipment. It's not really about the $100 or so, but more about the equipment-intensivity. Commented Feb 22, 2010 at 15:00
  • Remember to up-vote the answer if you like it :-D Commented Feb 22, 2010 at 15:14
  • BIAB is a full all-grain method, not partial mash. It just looks like a partial mash because there is a grain bag in your kettle. And thanks for the check-mark. Commented Feb 23, 2010 at 13:50

The short answer is Yes. The long answer is... I have a 15 gallon polarware kettle w/false bottom and a 10 gallon of the same. I've found that I need the 15g for both mashing and boiling of 10 gallon batches-- need the extra headspace for the mash and potential boil overs in the boil. So I mash in the 15, then sparge into the 10 with an extra stainless pot for overflow. Then I hike my 15 up to the compost heap and empty the grains. I clean the thing and then pour my wort from the 10 back into the 15 and boil it up.

YES, there's some hot side aeration happening here. But my beers have been working out very well. It's a pain in the butt though. If I had 2 15gal kettles, I'd be a happy boy. But I don't at the moment... and this system works, though it's time-and labor intensive. Especially since I'm hiking up a very steep hill to the compost :)

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