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Old 09-06-2011, 07:21 PM   #1
austinb
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Default DIY plastic conical

There is a posting on the local craigslist for an bunch of food grade drums of various sizes. I thought a 15 gallon one would make a great fermenter for 10 gallon batches. I was wondering if any one knows of any place that makes conical lids for these things. It seems like it would be a useful product for other industrial uses and not just homebrewing. There is also a plastic fabrication shop in town so i also thought about having one custom made if it wasn't too spendy. It seems like it would work well if i took the lid off and cleaned the gasket and everything else after every brew. Has anyone tried this?



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Old 09-06-2011, 07:42 PM   #2
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Im not sure if we are on the same page but I have a local guy selling 15 gallon containers that are food grade. HDPE I would think. I thought about the possibility of heating the base up with hot water maybe and try to make it conical but I doubt that it would work out that way.

A lid that screws on would probably be more sensible. Stretching plastic makes it thinner anyway. Then theres the stand considerations as well.



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Old 09-06-2011, 08:36 PM   #3
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Yeah we are on the same page of turning a 15 gal drum into a conical. I don't think i would try that heating the base thing it would probably just ruin your container. I think some sort of conical lid for it would be the way to go or have a platics fabrication shop fix a cone to the bottom of it.

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Old 09-07-2011, 12:45 AM   #4
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For the money you'd spend on a 15 gallon drum with a conical lid made for it, you could just buy a 15 gallon conical fermentor. Also keep in mind that drum OD sizes may differ, so if you were lucky enough to find some sort of conical lid (I've never heard of one), it might not fit your cheap CL drum.

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Old 09-07-2011, 04:00 PM   #5
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Quote:
Originally Posted by JohnTheBrewist View Post
For the money you'd spend on a 15 gallon drum with a conical lid made for it, you could just buy a 15 gallon conical fermentor. Also keep in mind that drum OD sizes may differ, so if you were lucky enough to find some sort of conical lid (I've never heard of one), it might not fit your cheap CL drum.
The plastic drums are only $15 and they are nice thick blue plastic. As long as the lid was reasonably cheap i think it would be cheaper than those pre-made fermenters because i'm sure it isn't cheap to ship them. I also think it would be easier to scrub down and clean with a removable cone. I will try and call the plastics shop to see if i could get a ballpark quote to decide it it is even worth trying. If it is i might get a few made and see if the local brew shop wants to try and sell them and also maybe sell them on craigslist.
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Old 09-07-2011, 05:18 PM   #6
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Try something like this!

http://www.plastic-mart.com/item.aspx?id=135

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Old 09-07-2011, 06:12 PM   #7
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why does it have to be conical? for $15 you get a 15 gallon container that you can ferment in just fine as is. add a racking port to the side if you want to leave the trub.

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Old 09-07-2011, 09:07 PM   #8
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I'm sure this has been answered many times before but how bad would fermenting 5 gallons in a 15g be for the beer?

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Old 09-08-2011, 12:27 AM   #9
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I'm sure this has been answered many times before but how bad would fermenting 5 gallons in a 15g be for the beer?
It would be terrible. Think about the waste of space. Very, very sad.
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Old 09-08-2011, 12:33 AM   #10
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That's true, why not just fill it up?

Headspace shouldn't be bad for primary though (to answer you seriously), because you'll be pushing out a lot of CO2 to form a cushion. However, I'd want to pull it out and into a carboy if you dry hop or bulk age.

I top off my bulk aged beers to the very top of the carboy to make sure no O2 gets in.



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