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Just got done pulling a run with a pm outbreak a week before harvest. Looking for any tips on sanitizing room to rid it of any spores. Are there any fungicide foggers out there anyone is using?

I'm using an Atlas2 co2 controller in a sealed room. When I enter room right before lights come on my controller is reading in the red ppms of 2500 ppms+. I haven't noticed any adverse effects on my girls but I'm nervous of future problems arising from too high of concentrations of co2 at night...