Okay, not spider mites then.
Even so, I'd be careful what you use around seedlings.
Pyrethrin is very effective against crawly pests like thrips and whiteflies, and I have never had a problem even using it on seedlings.
stinkyattic Reviewed by stinkyattic on . Hi there! Haven't been around in a while! I've revamped my stealth grow cabinet (the new cab is larger & taller, which means less bending and topping the door's lopsided and doesn't close properly though grr...I'll have to figure something out when I initiate flowering), I found me a Natural Light 200 watt replacement CFL (rated at 3000 Lumens/4100K) and some KC-36 seeds. So I'm doing a test run, the seedling is just barely poking its head from the soil (and I've just noticed critters in there, they Rating: 5