Sol,
I am with you on this problem.I am in B.C.Canada and the tap water I use has to 
be distilled twice to make good CS.If I distill only once, the brew will take 
off like mad ,if I don't keep an eagle eye on it,and will discolour.I gave up 
on buying DW from the Supermarket,because it would do the same sporadically;so 
I bought a 1 gallon distiller three years ago and it has more than paid for 
itself by now.And don't discount the frustration and time consuming of it not 
going right the first time.BTW,  I don't take any particular care about 
cleaning the brew jar or the silver coins,just wipe with paper towels.To get 
the Chlorine out of the tap water,I draw it off in plastic pails and let it sit 
at room temp.for approx. 24 hours.
Harold
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