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- Feb 22, 2013
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Don't quote me on this one, but apparently the peat moss makes it too acidic for them to reproduce. I've heard that the acidity is the cause, and also that it's a myth. Not sure which is true, but I can speak from experience when I say that phorid flies can't breed in it.Wow, that's a LOT of fungus gnats, never had that many, and they are in literally in every one of my humid enclosures...
How does peat moss get rid of phorid flies?
I use a 50/50 blend of peat moss and topsoil for only this reason. I would much prefer pure topsoil.