two things.
Don't do evap test on cd's, use a very clean glass bowl.
Quote:almost no trace behind
there should be
no trace left behind.
and
For the boils don't boil for tree days (its not necessary ManifestTheMind)
Three two hour boils is usually enough just boil the bark, pour of the liquid, save that part, take some fresh water boil the bark and so forth.
good luck
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