I've added MA 3X - so, have pretty limited experience.
However, every time I've added it has been at night with flood lights on and minimal to no wind.
Even with what seems like ZERO wind that stuff can get ya!
The dark combined w/ flood lights allowed me to see the fumes rising out of the jug and it was a trip to see. Looked almost like smoke rising out of the jug, trailing along with the breeze - very thankful that I wasn't in it's path the first time or I would have taken a face full!
The subsequent 2 times that I used MA, i made sure to uncap and hightail outta there and observe from afar to see which way the wind was blowing before approaching from the other side!
Point being - even if you lower the jug into the water and pour slowly, I'd imagine that you could still expect to potentially get a waft of that stuff right in the kisser if you are unlucky.