Date:   10/28/2012 8:39:02 PM ( 12 y ago)
Hits:   8,235
URL:   https://www.curezone.org/forums/fm.asp?i=2001305

The glass container should not be covered tightly. Actually, gradual evaporation produces a more concentrated product, plus it allows the ammonia to build (the process needs oxygen) and escape as gas.

Yes, I've noticed the white layer both on top and at the bottom of the glass at different times in the process.

HTH
 

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