BIAB Parti gyle / Dunk sparge technique

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troopa

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Hi Has anyone tried this?

I have 2 pots 60L and 90L, both 2.4kw electric (only use the 90L these days for easy BIAB doubles)

Thinking of increasing the grain bill by about a 50% (Around 15kg) and using the 60L pot to do a full volume dunk sparge at mashout temps to extract as much of the sugars as possible.

By my accounts I should have one batch at 1.070ish with efficiency losses and the other around 1.020ish.

Blend the 2 together and hopefully hit something around 1.045-1.050?

My reason for doing this would be to save time on my standard house brew as life gets tighter to brew these days.

Any thoughts would be welcome.

Troopa
 

mtb

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That'll be a bloody heavy BIAB bag at full saturation, you got a winch? Or spinach?
 

troopa

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Both.. when i set the winch back up.

Currently lift 10kg grain bills by hand without issues. Done up to 12.5kg but it wasnt fun
 

MartinOC

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Seriously, mate. If you're time-poor, just stick with doing standard BIAB batches. All you're really going to get out of a dunk-sparged 1020 wort is starter-material.

Parti-gyle brewing is best done when you've got the time & equipment to do it properly.
 

GABBA110360

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Hi Has anyone tried this?

I have 2 pots 60L and 90L, both 2.4kw electric (only use the 90L these days for easy BIAB doubles)

Thinking of increasing the grain bill by about a 50% (Around 15kg) and using the 60L pot to do a full volume dunk sparge at mashout temps to extract as much of the sugars as possible.

By my accounts I should have one batch at 1.070ish with efficiency losses and the other around 1.020ish.

Blend the 2 together and hopefully hit something around 1.045-1.050?

My reason for doing this would be to save time on my standard house brew as life gets tighter to brew these days.

Any thoughts would be welcome.

Troopa
I can't see why you cant do
i'm about to do a RIS of about 37 l but with a 100l pot biab i'm going to to do two mashes and mix with a 4 hour boil 19.5 kg grain
 
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