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  1. kohalajohn

    Is a filter necessary in a dip tube?

    Update. I have been using it. Very happy with it. In fact it solved a problem this morning. I was trying to do a closed transfer from fermenter to serving keg. Everything was set up right for it, but I could not get the syphon going. Finally I took up the liquid post and pulled out...
  2. kohalajohn

    Cold Crash Suckback Issue - Resolved

    As promised, photo of the situation post crash. Yeah, starting the cold crash with a pressurized vessel does the trick. I ferment under pressure, in cornies, with a spunding valve. I was at about 10 psi before the crash. After two days at 38f I was down to 5 psi. That big drop in pressure...
  3. kohalajohn

    Thinkjng of downsizing from 3v to BIAB, any downsides?

    I would like to learn more about scaling down. Currently I am doing full volume, no sparge. I imagine that the main grain item is the one that is increased. Can you direct me to the brewing software to calculate this. thx
  4. kohalajohn

    Is the dead space really a problem when doing a full volume mash?

    I must say, it's been a journey, this efficiency thing. When I recently returned to brewing I saw this talk of varying efficiencies and thought it was the goal. That if I could not reach high efficiency numbers that meant I was a bad man, with a shameful secret and that the internet would...
  5. kohalajohn

    Is the dead space really a problem when doing a full volume mash?

    Thanks. @doug293cz , I'm not going to bother.
  6. kohalajohn

    Is the dead space really a problem when doing a full volume mash?

    I see Bobbi has a sophisticated method of diverting recirc both over the bed and in between the walls. My question is there much benefit to just shoving in a separate hose, a couple times during the mash? I have a second metal recirc arm and elbow and a thin hose on it, that fits in the...
  7. kohalajohn

    Cold Crash Suckback Issue - Resolved

    I'll report back on how it goes.
  8. kohalajohn

    Cold Crash Suckback Issue - Resolved

    But I ferment under pressure, at 12psi. But I'm not a math spreadsheet guy. I'll have to find out in a few days from now.
  9. kohalajohn

    Cold Crash Suckback Issue - Resolved

    Well, I dont think that was in the recipe.
  10. kohalajohn

    Cold Crash Suckback Issue - Resolved

    Ah. That's the answer I was looking for. I was wondering why everyone was afraid of a steel tank exploding inward from a few pounds of pressure. But it's not that. It's that cornies need inner pressure to seal. Inner pressure is a necessary part of the corny system. The...
  11. kohalajohn

    Cold Crash Suckback Issue - Resolved

    Good. And I do closed transfer, with a gas/gas jumper, so there is no foaming issue.
  12. kohalajohn

    Is a filter necessary in a dip tube?

    My FLOTit arrived and is set up. Ticket closed
  13. kohalajohn

    How to set up those gaskets on a FLOTit

    Aha. That's it. You assemble the filter pieces, including gaskets, BEFORE you attach the silicone tube. then the tube is what holds the gasket pressed against the filter. And that inner "moat" circling around the gasket, that clamps on to the inner filter and holds the inner filter in...
  14. kohalajohn

    Can you change post size on a corny keg?

    Yeah, the lesson here is keep the posts with the keg they came with. If the threads on the post and the keg match, they will hold pressure even with very little torque. If I have to use high torque that is is a sign that I have a mismatch in the hardware. And high torque causes problems...
  15. kohalajohn

    How to set up those gaskets on a FLOTit

    Yeah, it looks assembled, but I can't get that gasket on the high side to hold in tight to the outer filter. It can go on in two ways. I'm sure there must be some technique here I'm missing
  16. kohalajohn

    Can you change post size on a corny keg?

    I use a Yeah, I can see how that could happen. I remember in the bad old days before the interwebs, fiddling with all the keg pieces trying and failnig to block leaks. I thought the only annoying issue nowadays was the two sizes of external nuts. I use deep socket wrenches, 7/8 and...
  17. kohalajohn

    Can you change post size on a corny keg?

    I use a aha. that's exactly what I'm looking for. thx
  18. kohalajohn

    How to set up those gaskets on a FLOTit

    Photo below. The you tubers just say that "it's tricky to set up the gaskets the first time, but then I figure it out" That is not helpful. I am sure the good folk here who own one, can send me something helpful. And they know exactly what I mean.
  19. kohalajohn

    Cold Crash Suckback Issue - Resolved

    Good idea. I was thinking about the health of the yeast. But yeah, there is also the health of the keg itself. @IslandLizard said the success of topping up, depends on headspace volume. And he's right, so that got me thinking about changing my setup. I can increase my headspace volume...
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