>>If I recall correctly (and I know I will have help here) it is oxalic
acid dihydrate, but the only difference is in how much of that to use
compared to pure OA (molecular weight 126.06 for dihydrate rs 90.0 for
pure OA). Add to the confusion, the dihydrate is often named oxalic
acid, just like the Bondex.

So, if a recipe says to use 75g of OA, and one has only the OA dihydrate, then, according to the molecular weight ratio, 105g of the dihydrate should be used?

I bought my 'OA' at Ace hardware.  I'll check the label to see if it's the dihydrate form.  Anybody know if the dihydrate form has any side effects on bees?  I seem to recall a report which mentioned that the pure or the dihydrate form worked the same.  It would be good to get this confirmed.

If, by some reason, the dihydrate form were inferior or unsuitable, what would be a local source for the liquid OA?

Waldemar

::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
-- Visit www.honeybeeworld.com/BEE-L for rules, FAQ and  other info ---
::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::