[mschuster91]

> However, one can head to their local hardware store and buy generic "Wood Bleach", which is also Oxalic Acid. It is not legal to use the wood bleach to treat your hive, even though it's the same chemical compound.

It's not, or to be more precise: there is no certification testing done to make sure the "wood bleach" is just oxalic acid and that's it. The stuff you can buy at a veterinarian, however, is certified to be 6% oxalic acid, 47% water and 47% sugar, and nothing else.