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Old 12-29-2013, 12:46 AM   #1
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Default What do I need for a bigger brew Day?

Ive been brewing 5 gal batches on the stove.Id like to brew 15 gal batches to save time and my stove.I know I need a burner and larger pot.But is that it?(I have all the carboys,secondarys etc) Whats the cheapest way to do it? Ill be brewing extract kits.Also can I just combine 3 of the same kits as per instructions or does the bigger brew change things?

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Old 12-29-2013, 01:45 AM   #2
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Chilling that volume will take a while with an immersion chiller. Most who brew in that volume use a counter flow or plate chiller.

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Old 12-29-2013, 01:46 AM   #3
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Typically people looking to do batches of that size do BIAB or PM to save $$$. You certainly can do extract. In addition to a 20G pot with a spigot, you'd likely need a larger wort chiller, or a recirculating wort chiller with iced water.

You would just triple the kit.


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Old 12-29-2013, 07:00 PM   #4
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I use 25 gallon pots for 15 gallon batches. With a 90 minutes boil, it requires a 21 gallon pre boil for my system with a 1.90 gallon evap per hour.


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Old 12-29-2013, 08:09 PM   #5
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For 15 gallon batches you will need a bigger pot. For pot size i would suggest about 50% more space than your batch size.
You will want some way to heat the wort (propane burner or electric)
You will need to have a ball valve on your setup, you need to move your wort with tubing and lifting 50+ gallons of hot wort is a bad idea.
Chilling will be a bit of a challenge, a huge immersion chiller would work, otherwise plate or counterflow chillers are an option, but you are likely going to want a pump with one of those, as I highly recommend a whirlpool before chilling to help drop out the trub. Actually a whirlpool for a batch that big is probably a good idea anyway, and if you go for a IC it will help reduce chilling times.
For fermentation you can use 3 5 gallon fermentors, otherwise there are conicals, or even 20 gallon+ buckets (used in large scale wine making)

As for recipe there are some differences in hop utilization (less hops needed for same IBU) are a larger scale, not sure if 15 gallons is enough to for that to start being noticeable though.


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