Nepen, as to the kiddos, you gotta love 'em but keep an eye on 'em even when they're old enough to [supposedly] know better -- like, oh 18-19 year old range, LOL!
A few weeks ago, my son [will be 19 on Saturday] was doing some work outside [cleaning the gutters], and stirred up some wasps. The wasps weren't going after him at all, but they scared him so he reacted by running to the edge of the patio and spraying [probably] an entire can of wasp spray at them........from across the patio.
He told me about it a little later and I nearly had a heart attack! No, Son was OK, but where he sprayed.....my nursery tank full of baby goldfish was smack in the middle of his line of fire!
The fish all seemed fine, but I did an immediate water change and washed off everything I could close to or touching the tank.
We later had a talk about the "responsible use of harmful chemicals," as his reaction
was overkill [no pun intended]. And in his defense, I don't think he pays
any attention to my fish hobby and I don't think he'd even paid attention to the fact that the 50 gal. tote sitting on the edge of the patio, with the pump & filter & air stones & tubings & plants & netting, propped up on cinder blocks, in an area draped with a giant sun shade........contained fish. I love my sweet, clueless son!