Want to go from extract on your kitchen stove to all grain outside? This post walks you through one possible upgrade path.
Assumptions: This assumes that you will batch sparge and that you have a reasonably sized extract kettle that you can use as a hot liquor tank. Also assumed… you’ll use the propane tank from your gas grill and you already have a way to cool your wort.
There are a million different ways to do this. I’ve just put together one possible strategy. If you go with this, you’ll be placing three orders – at Amazon, More Beer and Wal-Mart. All orders qualify for free shipping.
10 Gallon Cooler:
Mash Tun Conversion Hardware:
All Stainless False Bottom and ball valve designed specifically for 10 gallon Igloo Coolers. Contains everything you need to make the conversion.
How would you brew an all grain batch using this equipment? Here’s a general outline for batch sparging.
- Figure how much strike water you will need and at what temperature. You can do this calculation by hand, by using brewing software (like Brewer’s Friend) or you could use my Brewing Spreadsheet.
- Heat up the required amount of strike water to the necessary temperature in your existing extract kettle.
- Drain or dump that water into your newly converted cooler mash tun.
- Stir in the grain for your recipe. Ensure clumps are broken up.
- Check the temperature of your mash. If your temperature is high, add some ice. If it is low add some boiling water. It is better to shoot a little high with your strike water as it’s easier to cool the mash down than it is to heat it up.
- Put the lid on your cooler and wait for your mash to complete. Usually 60 minutes.
- Start heating up the required amount of sparge water to your desired temperature. I heat this water to 185 or 190 F.
- At the conclusion of the mash, recirculate pitchers of wort until your wort is husk and debris free.
- Drain all of the wort into your boil kettle. These are your first runnings.
- Drain or dump your sparge water into the mash tun.
- Stir the mash.
- Recirculate pitchers of wort until your wort is husk and debris free.
- Drain all of the wort into your boil kettle. These are your second runnings.
- Bam you’re done.
As always be careful. We are dealing with hot water and fire. Always read and follow manufacturer directions.
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