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Messages - archer75

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Equipment and Software / Re: Stuck recirc in blichmann mash tun
« on: April 15, 2013, 10:11:34 AM »
I brewed yesterday.  This time I weighed out the rice hulls and ended up using .5lb which was a lot more than I used last time.  I also got the grains from a different source so the crush wasn't as fine.  I had no problem recirculating.  Ran it at a pretty good flow rate without issue. 

Next i'm going to test again with grains from where I normally get them from but with more rice hulls and hope that fixes it.  The crush on their grains gives me excellent efficiency and they have some of the lowest prices anywhere so I really want to stick with them.

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Equipment and Software / Re: Stuck recirc in blichmann mash tun
« on: April 10, 2013, 07:54:06 AM »
Do you use just one ball valve, I use 2 ball valves and open the one on the tun fully and adjust the one on the pump for flow rate, and I too use rice hulls to loosen the mash up. To follow that up I am mashing 50 to 80 lbs of grain and not sticking.

I have two.  The one on the kettle is left wide open and I only adjust the one on the pump.

I am getting some new grains from a different source to test the crush.  I'll be brewing again probably this coming monday. I'll also use more rice hulls than I did last time.

The other issue I have is i'm using the blichmann autosparge. Not for the actual sparging as the arm doesn't even reach the grain bed but rather for recirculation.  If the flow rate is too high it just needs up shoving aside the grain and creating a pocket of sorts with nothing but a clear site of liquid straight to the false bottom.

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Equipment and Software / Re: Stuck recirc in blichmann mash tun
« on: April 08, 2013, 09:30:32 AM »
All tubing is 1/2" silicon.  It recircs fine at first, maybe 5 minutes.  Then slows then just stops.  I stir it up and the cycle then repeats.  It tends to flow better near the end of the mash.

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Equipment and Software / Stuck recirc in blichmann mash tun
« on: April 07, 2013, 09:53:46 AM »
I got a 15gal blichmann boilermaker and false bottom to use as a mash tun.  Also a pump with a ball valve on it's output to control flow rate.  Two batches of beer with it and i'm getting stuck recirculations every time.  Didn't use wheat in either batch.  On the 2nd batch I tried a couple handfuls of rice hulls and that didn't help.
I've run recirculation at the recommended rate of 1gpm. I've tried it lower and higher but eventually the flow will slow and then stop completely.  I have to stir the grain up for awhile in order to get the recirculation moving again.

I have contacted my LHBS to see what they set their mill to as I was wondering if that could be the issue, their response:
Our gap is .037.  However, I say that with a long caveat: Our mill is a pro brewery-grade mill with two, dual-driven smooth rollers that are each 9" in diameter, unlike homebrew mills that have knurled rollers. Our mill more or less pops the barley out of the hull, leaving the hull pretty much whole. Most homebrew mills actually do some grinding and tearing of the hull, so setting them this close together won't yield the same results our do (OK, I'm assuming you're asking in order to set your own mill).

Any suggestions?

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