Indoor pest prevention

Thanks heaps folks, lots of really useful information and tips there, I appreciate it.

AllenHaze said:

Have you physically seen any pests?

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Nope, that's half the problem! However, the holes appeared so quickly and so many on multiple strains with no environmental or feed changes that I can't really see any other reason than a pest. I sprayed with pyrethrin and the problem stopped getting worse, put it that way!

That's why I'm asking predominantly about preventative measures.

Shippey123 said:

The absolute best pesticide is Co2, run it up to about 10,000 ppm for about an hour and everything but your plants in the room will die

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I've heard similar things about O3, but I have neither a CO2 generator nor an ozone generator unfortunately.

Pics would make this easier. Without them, you may end up running in circles.

I haven't tried it myself as I don't have a Co2 generator and have been lucky enough not to come across any bug problems yet. I read it in Ed Rosenthal's marijuana hand book and yes it kills mites to, but you want your room to be absolutely sealed air tight during that time for health safety reasons.

AllenHaze said:

Pics would make this easier. Without them, you may end up running in circles.

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Sorry yes, I meant to link back to the thread I started when the problem first appeared. The plants are twice that size now

http://rollitup.org/t/holes-in-leaves-and-i-need-to-go-on-vacation-for-the-weekend.829038/