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Old 03-05-2013, 02:38 PM   #1
jtp137
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Default Cold Sparge Water

I have a one pump herms system on a single tier when I sparge I use the pump to drain the mash tun into the kettle I run my sparge water from the faucet through the herms coil and into the mash tun. The sparge water picks up some heat from the coil but is far less than 170 degrees. I have no problem with efficiency around 86%. Are there any ill effects of fly sparging with cold water other than low efficiency?

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Old 03-05-2013, 02:40 PM   #2
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No, and even low efficiency isn't going to be a concern. There have been some studies showing that there isn't a loss of efficiency at all between a cold water vs. warmer water sparge.

The only thing I'd consider is that if fly sparging I'd want to do a mashout. If batch sparging in one round, which is very quick, I wouldn't even worry about that.

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Old 03-05-2013, 02:43 PM   #3
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The only thing I'd consider is that if fly sparging I'd want to do a mashout. If batch sparging in one round, which is very quick, I wouldn't even worry about that.[/QUOTE]

What happens if I do a mash out and raise the temperature to 170 degrees then i start the sparge with cold water and the temperature of the grain bed reduces?

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Old 03-05-2013, 02:45 PM   #4
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Quote:
Originally Posted by jtp137 View Post

What happens if I do a mash out and raise the temperature to 170 degrees then i start the sparge with cold water and the temperature of the grain bed reduces?
If it's been long enough to denature the enzymes, then there shouldn't be any effect of the temperature dropping.
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Old 03-05-2013, 06:41 PM   #5
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Yooper's right. The solution won't be anywhere near super saturated so heat isn't going to be an issue with solubolizing the sugar into the water. Your not going have any viscosity issues either.

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