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About Al_The_Chemist

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  1. Distilling Absinthe using a bubble plate?

    I completed the run and I would say it was a success. The plate along with running the still gentle provided really good control. I was able to buffer out the undesirable flavors much deeper into the run. The flavor is much cleaner and more along the lines of what I had in mind for that recipe. The copper plate didn't soak up as much smell/residue as I was expecting, still needed a cleaning though. Oddly, I'm having more trouble removing the residue form the steel column.
  2. Distilling Absinthe using a bubble plate?

    Hey Gwydion, I've been making absinthe for quite some time now, and have recently updated my still. Even when running very low and slow, I'm finding it difficult to extract the aromatic content I'm expecting without running into heavier byproducts I'd relegate to tails. I need an added level of separation, or to collect so slow that the still upgrade becomes void. It giving me a good tasting product, but it will likely cause headaches. The cleanup is what I'm more worried about. The kettle I keep separate though I use the same column. If I do use a plate it will be dedicated to the absinthe. I imagine it will soak up far too much of the oils to use for anything else. If I end up doing it I'll post my findings.
  3. Cleaning Bubble Plates - no CIP

    Thanks guys. Good to get the validation.
  4. I know this may sound a little nutty, but has anyone tried distilling a heavy botanical (like absinthe) using a bubble plate for more control over the profile?
  5. Cleaning Bubble Plates - no CIP

    I tried this method and am getting corrosion on where the water dries off. Looks brand new while in the acid (using cheapCitric.com distillers residue wash). Any ideas?
  6. Citric acid wash for copper bubble plates

    I use PBW as first stage. Its the concentrations of citric acid in Ketchup that clean the copper. I'm worried about flavor contamination though. I use cheapCitric's distiller's residue cleaner. Could I be using too high a concentration?
  7. Citric acid wash for copper bubble plates

    I'm trying to clean my bubble plates. I stared with a "Five star" bath and then over night in citric acid. While in the acid, the plates looked brand new. I thoroughly rinsed them before drying. When the plates finished drying the water drying pattern left dirty/reactive looking patterns (see picture). Anyone else running into this?
  8. Off hearts to trails ratio

    Besides the SG that's pretty much mu procedure. I use back-set to lower the ph and add some "flavor". I use V1116 yeast. Once I balance things out I'll start playing with Shermanii and Butyricum.
  9. Off hearts to trails ratio

    Very valuable insight. Thank you Beach Time!
  10. Off hearts to trails ratio

    That makes sense. I'll tune the recipe. I'm still training my nose to what constitutes "off" for Rum. Any hints?
  11. Off hearts to trails ratio

    Understood. Cheers.
  12. Off hearts to trails ratio

    So higher ABV in the wash is actually detrimental? That seems counter intuitive. Can you elaborate?
  13. Off hearts to trails ratio

    I'll give that a go, though I am then no longer really doing a pot distillation.
  14. Off hearts to trails ratio

    Sorry for the lack of clarity. I ran 2 strip runs with a non plated pot still run. I then ran a finishing (spirits) run from what I collected. In the spirit run I ran 2 plates with a deflegmator. I used the reflux to compress the heads and to allow ester formation. Once I turned the coolant to the deflegmater off I did not turn it on again. Essentially completing the spirit run with an alembic style process. I expected to have around 5-10% heads, 70% hearts and about 20-25% tails. I ended up with 60% tails (stopping at 74%). I'm wondering what went wrong. Did I not collect deep enough?
  15. Off hearts to trails ratio

    The initial intend on this one was not to run blend cuts, but just to cut off before reaching too far into the tails. I just didn't expect the deeper tails to come up so early with this configuration. I haven't tried using 3-4 plates, but from reading up I'm led to believe that level of fractioning will lead to a lighter product? Did you manage to pull a heavy product using the 4 plate configuration? How deep did you collect? If I can reach a good tasting heavy product, I'd rather run from base wash to final spirit, far less work. I like working with top column adjustments far better than heat adjustments. The results seem easier to register. I did run the deflegmater at full for a while to push for some in column esterification, but when that was turned off, it was only the 2 plates regulating the distillation. I made no heat or reflux adjustments. So what would be your conclusion, I ran too hot?