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  1. sour_grapes

    K-Meta vs Campden Tablets

    I think it is probable that you have been underdosing. Campden tablets contain k-meta, but I am confident that there are other, inactive ingredients (binders, etc.). Yes, Campden tablets are supposed to be used at a rate of 1 tablet per gallon (regardless of whether they are crushed or not).
  2. sour_grapes

    Argon solution at pressure ... sanity check ?

    This is a sealed vessel, correct? Do you have input and output fittings? We had a recent discussion here that is relevant (but I cannot recall the thread, so I cannot give proper credit). How about filling it completely with water (or sanitizing solution. Then displace the water with argon...
  3. sour_grapes

    Argon solution at pressure ... sanity check ?

    Lots of misinformation on the interwebs. Your sources are misinformed. Of course Ar is soluble in water (wine). (Here is one source: https://en.wikipedia.org/wiki/Argon .) In fact, from that source, "Argon has approximately the same solubility in water as oxygen and is 2.5 times more...
  4. sour_grapes

    New (old) home with vineyard owner

    How exciting! Welcome to WMT!
  5. sour_grapes

    Hellooo from North Wales..

    Welcome to WMT!
  6. sour_grapes

    Brand new at this fine hobby

    Welcome aboard!
  7. sour_grapes

    Reusing Sodium Metabisulphite? Safe?

    You really owe it to yourself to verify (with some evidence) that you have any untoward microbial activity.
  8. sour_grapes

    Reusing Sodium Metabisulphite? Safe?

    This why I asked. You have us all chasing down the chemistry of Na-meta, etc., when it could just be outgassing.
  9. sour_grapes

    Reusing Sodium Metabisulphite? Safe?

    How did you observe the bacteria? Did they form mats, or perhaps flowers of wine?
  10. sour_grapes

    Post a photo, any photo

    I know nothing more about it than you do! You know, ALL art was modern art when it was made.... :)
  11. sour_grapes

    Post a Meme, any Meme! (no politics)

    Well, at least they said "Please"! :)
  12. sour_grapes

    Reusing Sodium Metabisulphite? Safe?

    What was the specific observation that you made that led you to conclude that it had lost its efficacy?
  13. sour_grapes

    What's in your glass tonight?

    Another day, another Northern Rhone and Tour Eiffel:
  14. sour_grapes

    Post a photo, any photo

  15. sour_grapes

    Hi from Alaska!

    Welcome to WMT!
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