Quote:
Originally Posted by Father'sDaughter
I started with MG seed starting mix and had good results the first year or two. The last two times I used MG seed starting mix, I had a massive invasion of fungus gnats. Not going for strike three--it was miserable.
It's been nothing but DE then up-potting to 100% coir ever since, and I've never seen another gnat.
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That's interesting. I have heard of others having fungus gnat problems with MG's other mixes too. I routinely use a few Gnatrol granules when sowing and transplanting, so it's not a problem I have gotten. Each granule forms a colony of BT, which is deadly for fungus gnat larvae.