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dalpets · 07-26-2008, 06:07 AM

Hi,

Is it OK to add rice hulls to a non-wheat/high gravity mash to increase the minimal depth of a grain bed containing only malted barley grains?.

If it is Ok what is the recommended maximum ratio of hulls to grain?.

Thanks

RICLARK · 07-26-2008, 06:14 AM

You can add hulls to any brew though there not needed. There is no set ratio on adding them, I have used 1 # on a 10-14 # grain bill. However I have quit using them all together.

dalpets · 07-26-2008, 06:34 AM

The grain bed depth is my real concern with my low grain bill v mash cooler size . I would have thought that if I add more than an an optimal amount of hulls I could end up creating a worse drainage problem than that that might result without them.

RICLARK · 07-26-2008, 06:35 AM

What do you have for a grain bill and Mash tun?

dalpets · 07-26-2008, 06:45 AM

I have two cooler mash tuns (58 & 25 quart). For this partial mash I am using a 5.5lb grain bill.

RICLARK · 07-26-2008, 06:49 AM

Ok, I would use the 25 QT and probably 1 # of Rice Hulls.

dalpets · 07-26-2008, 07:04 AM

Thanks for your help.

With the present grain bill and doing my calculations of water uptake I reckon I end up with a tad less than a 4" mash using a water/grain ratio of 3.25:1 In that event the 12" bazooka would only covered by approx a 3" mash. I will give your 1 lb recommendation a try.