The thing is that borax (a boron compound) is a cumulative poison. Keep up adding that boron to your water over a lengthy period and it's curtains. There is a

The thing is that borax (a boron compound) is a cumulative poison. Keep up adding that boron to your water over a lengthy period and it's curtains. There is a reason that borax is used to kill ants and other creepie-crawlies.