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KB
Joined: 06 Nov 2014 Posts: 334 Location: Virginia
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Link Posted: Sun Sep 15, 2019 12:05 pm Post subject: MLT Hose |
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After reading a post in these forums, (probably this post http://www.theelectricbrewery.com/forum/viewtopic.php?t=31162&highlight=mlt+hose), about MLT hose length. I was more aware of the hose used in the MLT for mashing during my brew session on September 14th. I ensured I used a the recommended silicone length and sat the hose on top of the mash.
I do see in this Step By Step instructions (http://www.theelectricbrewery.com/brew-day-step-by-step?page=6) "Place the hose back in the kettle on top of the grain bed as shown in the picture below. The hose may sink in a bit or be mostly submerged. This is normal. Place the lid back on the Mash/Lauter Tun."
The hose did sink and push up the grain bed. I didn't think this is good (lifting up the grain bed).
Is the mashing OK with the lifted grain bed (caused by the hose sinking)?
Or, should I use a different length hose in the MLT?
Thanks.
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kal Forum Administrator
Joined: 12 Dec 2010 Posts: 11121 Location: Ottawa, Canada
Drinking: Pub Ale, Electric Creamsicle, Mild, Pliny the Younger, Belgian Dark Strong, Weizen, Russian Imperial Stout, Black Butte Porter
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KB
Joined: 06 Nov 2014 Posts: 334 Location: Virginia
Working on: Next brew
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Link Posted: Sun Sep 15, 2019 1:37 pm Post subject: |
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OK. Thanks. I guess I was more cognizant of the raising grain bed and other potential problems after experiencing a hose leak at the band. I'm using the recommended smooth band clamps. Hose was cut at the hose clamp and leaking. Any other suggestions for silicone hose clamps other than the smooth band clamps? I do know the regular worm drive clamps dig in and damage the silicone tubing.
BeerSmith indicates I achieved 94.2% mash efficiency and 86% brewhouse efficiency. I know these numbers are just for fun and we really shouldn't get to anal about them, but I do like to compare the numbers to prior brews to spot problems, etc.
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kal Forum Administrator
Joined: 12 Dec 2010 Posts: 11121 Location: Ottawa, Canada
Drinking: Pub Ale, Electric Creamsicle, Mild, Pliny the Younger, Belgian Dark Strong, Weizen, Russian Imperial Stout, Black Butte Porter
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Link Posted: Sun Sep 15, 2019 1:46 pm Post subject: |
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KB wrote: | I'm using the recommended smooth band clamps. Hose was cut at the hose clamp and leaking. Any other suggestions for silicone hose clamps other than the smooth band clamps? I do know the regular worm drive clamps dig in and damage the silicone tubing. |
Strange! Without seeing the setup and how it's been used it's hard to offer other suggestions. I don't understand why your hose was cut. It should not be as you mentioned.
Quote: | BeerSmith indicates I achieved 94.2% mash efficiency and 86% brewhouse efficiency. I know these numbers are just for fun and we really shouldn't get to anal about them, but I do like to compare the numbers to prior brews to spot problems, etc. |
I would say it's definitely good to compare between your own brews as that's what provides consistency from batch to batch. Consistent numbers means consistent beers.
The fun part is comparing to other brewers. (i.e. At the end of the day how your numbers compare to other brewers do not matter and won't improve your beers or make them more consistent.)
Cheers!
Kal
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My basement/bar/brewery build 2.0
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KB
Joined: 06 Nov 2014 Posts: 334 Location: Virginia
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Link Posted: Sun Sep 15, 2019 3:49 pm Post subject: |
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My setup is your setup. Photos are in the photo section. Built the control panel from the predrilled kit of parts. Blichmann V1 kettles. Followed the EB instructions.
Seems when the smooth band clamp cuts the silicone tubing it's a slit type cut at the hose clamp. Perhaps I am making too tight? However, I don't want leaks.
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KB
Joined: 06 Nov 2014 Posts: 334 Location: Virginia
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Link Posted: Sun Sep 15, 2019 3:54 pm Post subject: |
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Writing of statistics I keep time for all the steps. Created a spreadsheet (aka Brewing Steps Analysis) to analyze the times against each other overall, for the 60 minute boils and for the 90 minute boils. This way I know, for the post part, how long each step will take. I can also spot problems and, hopefully, make adjustments. Saturday was my 11th brew using my EB. Best overall brewday at 8 hours 27 minutes. This is start to clean up finish. Time doesn't include step 1 (milling the grain) as I do step 1 the night before brewing.
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kal Forum Administrator
Joined: 12 Dec 2010 Posts: 11121 Location: Ottawa, Canada
Drinking: Pub Ale, Electric Creamsicle, Mild, Pliny the Younger, Belgian Dark Strong, Weizen, Russian Imperial Stout, Black Butte Porter
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KB
Joined: 06 Nov 2014 Posts: 334 Location: Virginia
Working on: Next brew
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Link Posted: Sun Sep 15, 2019 5:09 pm Post subject: |
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I see the instructions direct one to "Tighten the hose clamp using a screwdriver...". I initially began with a screwdriver, but the screwdriver kept slipping out of the slot. Switch to a 1/4" hand nut driver. Similar to http://www.sears.com/craftsman-1-4-in-nut-driver/p-00941971000P in an attempt to prevent slipping.
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kal Forum Administrator
Joined: 12 Dec 2010 Posts: 11121 Location: Ottawa, Canada
Drinking: Pub Ale, Electric Creamsicle, Mild, Pliny the Younger, Belgian Dark Strong, Weizen, Russian Imperial Stout, Black Butte Porter
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KB
Joined: 06 Nov 2014 Posts: 334 Location: Virginia
Working on: Next brew
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Link Posted: Sun Sep 15, 2019 5:47 pm Post subject: |
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No, slipped screwdriver didn't come into contact with the silicone hose. Sometimes the nut is wet and the screwdriver head slips (probably wouldn't happen with a Phillips slot). Went to the nut driver to eliminate slipping, but I do think, perhaps, I am over tightening.
I think the slits are happening from the hose movement. Cleaning the hoses, hanging the hoses, moving the hoses, etc probably puts a lot of torque on the band area and the silicone hose, being soft/weak, cuts.
The leaks I've encountered don't happen immediately. In other words, the slit in the hose doesn't happen from tightening (at least using the smooth band. Use the regular garden hose band clamp and the silicone hose usually immediately leaks). The leak/slit in the hose happens over time.
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kal Forum Administrator
Joined: 12 Dec 2010 Posts: 11121 Location: Ottawa, Canada
Drinking: Pub Ale, Electric Creamsicle, Mild, Pliny the Younger, Belgian Dark Strong, Weizen, Russian Imperial Stout, Black Butte Porter
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