Recent content by iandanielursino

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  1. iandanielursino

    Best practices for CO2 scrubbing of DMS

    Was pretty successful. I forgot to chill my bottles which may explain why I had some inconsistencies in fill volume and carbonation but most of the bottles are well carbonated. I notice that the less full bottles taste just like one out of three of the cans from a local micro from the Skagit...
  2. iandanielursino

    Best practices for CO2 scrubbing of DMS

    I tried some scrubbing tonight. I forgot I had changed the temp with the probe out so it was at 55F. I did it for 1 min, then 5 min, then 25 x3 times so about 80 minutes total. It tasted better at 5 minutes and 25 minutes and pretty much the same after so I gave up. For a while while it was...
  3. iandanielursino

    Best practices for CO2 scrubbing of DMS

    The other thing from there that might be relevant is that I spunded from the start, so from the start until somewhere around high krausen no vapors left the fermenter.
  4. iandanielursino

    Best practices for CO2 scrubbing of DMS

    Makes sense, I wonder if boiling time and cooling speed are confounded or independent. My cooling setup is an inline counterflow so its pretty fast, but I also did a flameout addition that I let steep for 10 minutes. It sounds like its a good thing I didn't have time to wait until 170F to do a...
  5. iandanielursino

    Best practices for CO2 scrubbing of DMS

    If it escapes faster than it is created why is it important that we burn through all the SMM requiring a longer boil time?
  6. iandanielursino

    Best practices for CO2 scrubbing of DMS

    Should I do it at standard pressure or can I leave the tank at its current pressure of ~7 PSI and just lower the spunding valves set point until it bubbles? I'm guessing standard pressure, I assume that would result in a lower flow rate. Still wish I had a ballpark of how many minutes to do it...
  7. iandanielursino

    Best practices for CO2 scrubbing of DMS

    Yeah that seems to have been the reason. I believe you're thinking of diacetyl and the lager fermentation process. I'm at the extended cold storage/cold crash or "lagering" phase. As I understand DMS comes from the mash or from chilling too slowly and is typically reduced by the boil, hence...
  8. iandanielursino

    Best practices for CO2 scrubbing of DMS

    No just a 60 minute lager boil with weyermann pilsner malt. It was also overextracted because the mill was too fine and the mash took too long, and also we had a stuck sparge if that's relevant.
  9. iandanielursino

    Best practices for CO2 scrubbing of DMS

    Hopefully this is the right board. I figure carbonation at lagering temps goes under bottling/kegging. I have a batch that seems to have DMS issues. I've heard about a process called "scrubbing" where if you run CO2 through a carb stone or something similar with a vent to allow gas to escape...
  10. iandanielursino

    Lots of grain mush in the wort and scorching

    Scorch taste seems gone, now its cream corn, I think everything lagered out except DMS. My fault for using weyermann and only boiling for 60 minutes. I think I'll start another thread discussing CO2 scrubbing.
  11. iandanielursino

    How long does it take to lose significant carbonation after venting headspace?

    In this case there's a good 8 gallons of headspace (bottling strait from a unitank) and the equilibrium pressure I carbonate at will be 10 PSI (32 degrees F), and we would vent it down to a regulated 6 PSI to use a Blichmann beer gun. I'm a bit concerned how fast I need to get the bottling...
  12. iandanielursino

    Spike PRV was stuck

    I feel like it doesn't usually bubble all the time unless you just adjusted the setting, it seems to have a valve where it needs to exceed the set point by some margin before it issues a bubble. Never tried setting it super low. I always spund for my cold crash pressure, and if I was making...
  13. iandanielursino

    Lots of grain mush in the wort and scorching

    Got down to 1.015 FG and stopped, 9 days at 49, 5 days at 68. Bringing it down to 32 for lagering now. Strong scorch aftertaste in the sample, hopefully 3-6 weeks lagering will help.
  14. iandanielursino

    Lots of grain mush in the wort and scorching

    The M&B is not capable of doing a full volume mash, only up to 16lb grain or 4.8 gallons water, so the only other option I can see would be to do a partial volume mash without sparge and add water, which I presume would have even lower extract efficiency. I tried a full volume mash one time and...
  15. iandanielursino

    Lots of grain mush in the wort and scorching

    Is there any issue with using a bag with a sparge and a coarser milled bill of grains?
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