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Old 10-25-2010, 12:42 PM   #1
bostinbru
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Default Typical Lauter Speed

First all grain over the weekend. Build my MLT from a igloo 50 quart, 30" SS braid, and 3/8" ball valve. Found braid floating in grain bed in beginning, I think I have to affix it to the bottom of the tun.

Was wondering: is this a typical lauter speed? Keep in mind this is fully open.

http://www.flickr.com/photos/55129489@N02/5114299362/

It's preeeettttyyy sllloooowwww. First 5 gallons took over an hour to lauter out, over 2 hours for 7.5 gallons

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Old 10-25-2010, 12:45 PM   #2
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A lot of people attach a little stainless nut to the braid at the back end so it doesn't move. Also, if you attach a hose barb to the end of your ball valve, http://www.bargainfittings.com/index...product_id=137, and then attach some food safe tubing to that, gravity will assist you in your lauter speed. Even more, you can begin adding rice hulls to your brews if you're really worried about it http://www.austinhomebrew.com/produc...roducts_id=132.

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Old 10-25-2010, 12:47 PM   #3
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+1 on the nut at the end of the braid and the hose barb/tubing at the end of the ball valve. I have never timed it, but I would guess the whole thing drains in less than five minutes in my 5-gallon tun.

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Old 10-25-2010, 01:08 PM   #4
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Originally Posted by ArcaneXor View Post
+1 on the nut at the end of the braid and the hose barb/tubing at the end of the ball valve. I have never timed it, but I would guess the whole thing drains in less than five minutes in my 5-gallon tun.
Yeah, when I'm doing a normal ale with around 10-12 lbs of grain, I can usually get my first runnings out in around 5-10 minutes I would think.
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Old 10-25-2010, 01:12 PM   #5
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I'm using a 3/8" connected with FIP to attach the braid; the FIP has a 1/4" opening which may be leading to the slow lauter speed. I don't believe it would cause THIS slow of a lautering however.

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Old 10-25-2010, 01:37 PM   #6
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There's no way that it should be that slow. I would suspect that something had partially clogged your drain. Either way, if you attach some tubing on the outside end then you'll pull a siphon and drain your wort faster and more completely.

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Old 10-25-2010, 02:02 PM   #7
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Attach tubing on the outside? On the draining end of my ball valve?

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Old 10-25-2010, 02:04 PM   #8
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Attach tubing on the outside? On the draining end of my ball valve?
Yes. You should have some tubing (vinyl or silicone) on the outside, and it should reach to the bottom of the boil kettle. This is prevent splashing, and it will help work as a siphon to "pull" the wort out of the MLT.
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Old 10-25-2010, 11:22 PM   #9
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Do you leave the top on the mlt? That would slow the lauter because there is a lack of avaliable air to enter the mlt by creating a suction slowing your lauter.

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Old 10-26-2010, 01:18 AM   #10
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As said above, tubing on the discharge will help...never had a floating braid myself. Are you sure it is actually stainless and not a plastic/polymer braid?

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