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Old 04-12-2009, 03:59 PM   #1
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Default recirculating (vorlauf)

did my 2nd all-grain yesterday, everything went pretty smooth. got 70% efficiency which is an improvement over the first time. i did the cream of 3 crops, ended up a little high on the OG (1.060), but I won't mind that.

the only bad part was my dip tube fell off before draining and i had to stick my hand in there to reconnect it, but i'm hopeful that won't cause any infection. i also found it's difficult to get the whole immersion chiller in the keggle with a dip tube in there.

i have a question about recirculating wort to clear the runnings. once you open the valve to start collecting the runnings, will shutting the valve and opening it again to collect the next 2 quarts make it foggy or should i just be leaving it open once the runnings are clear?

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Old 04-12-2009, 04:14 PM   #2
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It might make the first ounce a little cloudier, but not much. You really shouldn't need to vorlauf more than 2 quarts.

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Old 04-12-2009, 04:20 PM   #3
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similar question. I use a 2 cup measuring cup for vorlauffing so i have to open/close/open/close and it never seems to get perfectly clear. Is it because opening and closing? I could get a larger vessel for vorlauffing.

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Old 04-12-2009, 04:51 PM   #4
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irregularpulse nailed it, that's exactly what i was trying to ask, and exactly what i do. i think maybe a larger pitcher is necessary so when it starts to run clear, you can just move the hose over to the kettle and dump the vorlauf back in the mash tun.

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Old 04-13-2009, 12:24 PM   #5
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No one willing to help us out? We're doomed to cloudy beer grainy beer android. At least until one of us brews again and try a larger vessel. Hopefully I'll get to brew my This&That brew this weekend and try it out.

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Old 04-13-2009, 02:49 PM   #6
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I vorlauf into a 4qt blowl. By the time its half way fill things are very clear. I stop, recirc, and vorlauf again. Stop, recirc, then begin to collect. The first 2-3 ounces may have a little junk in it, but is very clear in under a second normally. Everybody's equipment is different, try experimenting with yours.

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Old 04-13-2009, 02:52 PM   #7
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I've never had much luck vorloufing, but I've gotten better. Adding a plastic lid or somethign else to pour back onto made a HUGE difference, and after about 3-4 quarts I'd get it running fairly clear, but still a little cloudy and a lot of husks would make it through the false bottom.

So yesterday I decided to add a foil coffee filter to the end of the hose before the kettle. I couldn't believe all the little bits of stuff it trapped. I think I'm going to rig something permanent up.

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Old 04-13-2009, 02:59 PM   #8
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When you re-open the valve, do it very slowly at first.

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Old 04-13-2009, 03:00 PM   #9
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thanks for the tip. I think I'll try a larger container next time too.

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Old 04-13-2009, 03:25 PM   #10
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Ideally you wouldn't close the valve because when it is reopened it causes a sudden pull on the grain bed. The best way is to either pump it back through the grainbed or get two separate containers and swap them out...with a continues stream. Once it clears move the hose (without closing the valve) into the collection vessel. When pouring back through the top be sure to do so slowly and onto a diffuser of some sort as to not cause channeling. It will depend on your system...but it usually takes a few quarts before getting real clear.

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