Beekeeping Guide: How To Treat Your Hives With Api-Bioxal 

The dose makes the poison. There’s a difference between handling raw, pure powder you could breathe or get in your eyes versus a diluted liquid mix. And even then, there’s a difference of risk in handling liters of the stuff for a whole apiary vs the milliliters that goes in a hive. To say nothing of differing biology between our species. Most medicine is dangerous in the right amounts. Oxalic acid is naturally occurring in foods like broccoli, potatoes, and spinach. It’s the concentration that makes ppe necessary.