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Old 12-28-2012, 09:55 PM   #61
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Subbed. Interested to see how it works for you mors

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Old 12-29-2012, 01:10 AM   #62
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I just ordered mine (Christmas present from SWMBO). Really looking forward to trying it.

When I get mine, I will look for the ridge in the cone to see if the issue has been fixed. I was also very curious about the expansion to 20 gallons.

To the folks who have been asking what the point of a 5 gallon conical is- the point is the same as it is for those of you brewing 15-20 gallons. Having a unitank that doesn't require you to spend 30-60 minutes two weeks after brewing to rack to secondary, and a much easier process for harvesting yeast. Just because some of us can't afford to upgrade to a bigger system doesn't mean that we wouldn't like to streamline our process.

I am very hopeful for this product. It is possible that I will be horribly disappointed by an exploding fermenter or contaminated beer. But I am going to try the product before passing judgement.

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Old 12-29-2012, 02:02 AM   #63
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Well I kegged my beer from the onederbrew. I used 3/8 silicone tubing with a kwik clamp onto the picnic tap thing. The beer foamed quite a bit but was overall pretty good. Maybe I won't do it under pressure next time...

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Old 01-24-2013, 09:56 AM   #64
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mors can you toss up some pix or video next time? Interested in seeing this work. Ditto for you Razor...

Was the reason for the original being black to eliminate light? That seems reasonable to me. I kinda agree with daksin and was leaning that way myself on a DIY conical using a spray tank. Saw this product in Zymurgy and came on here to see if anyone had experience with it. Thanks for posting! In the end I may just spring for a SS conical from Stout as I have been pleased with their products, but it doesn't hurt to slow go it and do as much research as possible. Who knows, they may improve this product and reduce costs by building volume and it could be a hit down the road...

Cheers!

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Old 01-24-2013, 08:11 PM   #65
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Oh yeah sorry I did record a few short videos about 72 hours after fermentation started. The first one is me closing off the system to let it build up some pressure so I can adjust the pressure nut. The second one is after I have had it adjusted to 15psi and it's maintaining. I had no leaks during the entire process...beer came out good too...though dump alot more out the dump port than you would think... I had yeast bomb beer had to dump a few glasses out of the keg...

Video 1
http://youtu.be/BenfFxz2vX0
Video 2
http://youtu.be/dn-ZgcrEa8c

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Old 02-11-2013, 04:24 PM   #66
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Ok, so here is my preliminary review after my first brew with the OneDerBrew has been in the fermenter for about three weeks.


I am probably doing something wrong, but that is a byproduct of woefully inadequate instructions included with the fermenter.

Upon initial inspection, I saw the ridge that many posters have complained of, still there despite the manufacturer's claims to the contrary. I is midway down the cone in the inside, so right where the yeast will e sitting and breeding. Not particularly happy about that.

I sanitized with StarSan, assembled, and filled with chilled wort and pitched my yeast. Then I put the cone on top, pumped out the air, and sealed it up as instructed. Apparently I did not properly have the air out valve opened up like I was supposed to, as the next morning I found the bucket bulging and some minor leakage (cannot determine from where, but not the blowout grommet on top). I opened the valve and released that pressure, then leftist open for about five days before closing it back up. Since then, the pressure gauge has not moved one bit nor has the bucket bulged back out.

What is most frustrating is that when I attempt to dump the yeast trub from the bottom valve, nothing comes out, or only a drop or two. S rather than moving the yeast trub after one week, I have had to leave it in there for the full 21 days of my expected fermentation.

The next frustration is that after 21 days, my gravity is still at 1.034, no where near my target. This is a session stout and should be done by now.

Another issue with yeast dumping is that even if I were able to get a flow of yeast, where is it to go? The valve is on the very bottom, which rests about one millimeter off the floor. If you want to dump the yeast, you really need to Storie your fermenter off the floor so you can attach a tube to run the yeast into a receiving container.

I am going to have to transfer to a traditional bucket or better bucket to finish fermentation. At least the sampling spigot works.

So far I am very underwhelmed. I will keep y'all appraised when I watch some more instructional videos and try again on my next batch.

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Old 02-11-2013, 11:51 PM   #67
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Quote:
Originally Posted by RazorCatchPrey View Post
Ok, so here is my preliminary review after my first brew with the OneDerBrew has been in the fermenter for about three weeks.


I am probably doing something wrong, but that is a byproduct of woefully inadequate instructions included with the fermenter.

Upon initial inspection, I saw the ridge that many posters have complained of, still there despite the manufacturer's claims to the contrary. I is midway down the cone in the inside, so right where the yeast will e sitting and breeding. Not particularly happy about that.

I sanitized with StarSan, assembled, and filled with chilled wort and pitched my yeast. Then I put the cone on top, pumped out the air, and sealed it up as instructed. Apparently I did not properly have the air out valve opened up like I was supposed to, as the next morning I found the bucket bulging and some minor leakage (cannot determine from where, but not the blowout grommet on top). I opened the valve and released that pressure, then leftist open for about five days before closing it back up. Since then, the pressure gauge has not moved one bit nor has the bucket bulged back out.

What is most frustrating is that when I attempt to dump the yeast trub from the bottom valve, nothing comes out, or only a drop or two. S rather than moving the yeast trub after one week, I have had to leave it in there for the full 21 days of my expected fermentation.

The next frustration is that after 21 days, my gravity is still at 1.034, no where near my target. This is a session stout and should be done by now.

Another issue with yeast dumping is that even if I were able to get a flow of yeast, where is it to go? The valve is on the very bottom, which rests about one millimeter off the floor. If you want to dump the yeast, you really need to Storie your fermenter off the floor so you can attach a tube to run the yeast into a receiving container.

I am going to have to transfer to a traditional bucket or better bucket to finish fermentation. At least the sampling spigot works.

So far I am very underwhelmed. I will keep y'all appraised when I watch some more instructional videos and try again on my next batch.
Well having used it a few times now I can tell you why some of these thing happened. The leaking (if not from not tightening the band enough) is most likely from the pressure relief valve. If the krausen gets high it pumps out that small red tube and down onto the floor/table. I set it in my laundry sink for the first couple days. Never really get that much coming out.

Most my ale fermentations are over by day 5. You should leave the pressure valve all the way open for the first 2 days then seal it up and maintain roughly 15psi for the remainder of the fermentation. It also seems like you got a stuck fermentation.. this can be many factors but doubtful any of the factors were caused by the fermentor.

The bottom valve not having any yeast coming out is common with conical fermenters. It's a thick slurry down there...open the valve and have patience. Even my 1.5" inner diameter port on my stainless conical takes considerable time sometimes. I do agree the port being close to the bottom feet makes harvesting alittle bit of a pain. I usually set the fermenter on a table and let the front 2 feel dangle off...while holding the fermenter in place. This puts most the weight on the back legs and you don't really have to hold it...you may still want to open the dump valve and wait for a few in the sink though. Until the dirty trub and early flocc yeast starts coming out.

if you flip the fermenter back so the bucket is right side up you can remove the cone and try and get the fermentation unstuck...no need for a separate fermentor.
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Old 02-13-2013, 02:23 AM   #68
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I like it but there are a few things I need to figure out yet.
first batch is still in it as I don't have my kegs or bottle capper with me yet.
But here's the rundown so far.
used the Ferocious IPA recipe kit from Midwest supplies with the Headwaters Ale yeast by wyeast activator pack.
I don't think I like this yeast-very cloudy final product, although I could have goofed somewhere else to create that effect I suppose...

started O/A 22 dec, and felt the ferm got stuck about day 3 there was very little activity - nice thing is you can seal the onderbrew and give it a massive shaking to get things back into suspension and this seemed to get it all working again...

although i thought it had finished off after 12 days, it continued to build pressure after I tried to dump the yeast - it wouldn't drain.

So after another week or so I pumped some air into it( i know--bad bad bad) but it worked I got a good dump of trub, hops and yeast.
shook the hell out of it again and it picked back up and built to about 4 psi where i let it sit for almost a month while I had to travel for work.

when i got back I test bottled 3each, 1/2 liter bottles with 1/4 tsp of white table sugar and let them sit for about 10 days...very little carbonation - want to try 1/2 tsp corn sugar per bottle and try it again.

I added an extension tube that came with the onderbrew to get the dump port out to the front feet - it makes it easier to get my big mitts on the valve and control the flow - once it starts to flow that is...the port is so small at about 1/4 inch ID - I worry I might have major issues if I ever use leaf hops instead of pellets. but as long as you have a good 10-15 psi built up - it ought to break loose and dump without too much trouble.

the other major concern for me is priming if I've bled off all the co2 - which I did out of concern for over pressurizing while i travelled...there's no way to get the sugar into the unit easily...I'm thinking of using a sanitized solution in a mason jar, and the airpump with tubing rigged to force the solution to backflow from the jar through the red blowoff tube to the top of the fermenter...we'll see...

I think I'll just prime bottles for this batch and see how it goes - just hate measuring every single bottle - I prefer to evenly distribute the sugar by stirring into the entire batch.

but overall - it makes good beer, it's a relatively small footprint.
easy to clean
relatively easy to recover yeast
I will eventually serve from it once I get the hang of co2 control and then a cooler to hold it for serving...

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Old 02-13-2013, 01:11 PM   #69
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Hmm yeah I never thought about bottling out of the unit. 2 things would come to mind for me. 1) Use carb tabs so you don't have to measure out sugar for each bottle. 2) If you ferment under pressure the beer should already be carbonated... just put it in the bottles. When I go to keg from the Onederbrew the beer is carbonated. Just use an online calculator to see what level of pressure you need to get the level of carbonation desired at whatever temp you're keeping the Onederbrew.

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Old 02-14-2013, 02:19 AM   #70
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Had to harvest yeast from the Onederbrew today...while I was waiting for the yeast to "poop" out I figured I would make a quick video with my phone to show you what I mean.

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