fungus gnats

Does anyone have any experience or knowledge of if mosquito bits and BTI are safe for tortoises? Can you put it in the drinking water, spray bottle for shell wetting/watering plants, spray on moss?

Hi all, Issue: For the past two months, I've been dealing with fungus gnats, and in the last couple weeks, they've gone from annoying to out-of-control. Current Solution (which doesn't work): I've been putting out sugar water traps, which catch about 100 gnats in 3-4 days, but the gnats...