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Hello everyone. Brett, I'm in the same boat as you my friend. I was asking myself "how do gnats get in here so quick??? And when???!!!". I had one cutting that rooted well and was just beautiful, then all od a sudden it was producing gnats like that was it's job. I bought something from my local hydroponics place without chems, it worked well but left my cuttings drenched because it has to be applied with water. I decided to transplant a couple as a trial and as I went into my soil bag it was also full of gnats. WTF!? I thought, the bag was closed pretty good but they still got to it. That's when I realized I was using "infected soil", infected with gnats and their eggs, that's why I have gnats in my cuttings. So I made a batch of soil I had used on cuttings that rotted or died, put it in a plastic bag and zapped it in the microwave (when my wife wasn't looking) for about 3-4 mins, let it cool off and transplanted a few cuttings in the sterilized soil mix. I might get gnats again but it'll give the cuttings enough time to mature, hopefully. I did 6 cuttings in sterilized soil and put them together in a plastic bin and left 6 of the old cuttings that are rooted well but infected with dirty soil in another bin, it's only been a week but no sign of gnats in the new batch. Btw, my wife found out I used the microwave to heat up dirt and I've been banned from the house if I'm working in the yard now. Bought a microwave just for the garage and to sterilize my mixes in the future. Soooo, that's what I did and seems to be working well for me...
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