pyrethrin

Hi all, I'm new to this forum and I've introduced myself, so now I'll go on to talk about my setup which cost about $50 to build... My "tent" is a wooden structure (w) 80 cm x (l) 1m x (h) 1.5 m - the dimensions were chosen so that it will fit through a std. door. I closed it with materials...

Does anyone treat their plants before any signs of pests in order to avert possible problems? I am an indoor grower and have no signs of pests, and I'd like to keep things that way, if possible. I use OMRI certified products on my outdoor garden--neem, bt, pyrethrin, insecticidal soap--and...