> I have always used distilled water when making an oxalic acid sugar
solution for treating varroa. It is an inexpensive precaution, but do the
bees give a hoot?
It's not about the bees caring, it's the fact that the calcium in hard
water reacts with oxalic acid to cause it to precipitate into mite-harmless
calcium oxalate.
--
Randy Oliver
Grass Valley, CA
www.ScientificBeekeeping.com
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