Jayde962
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I have a minor case of PM and i was suggested by my hydroponics store to use uvb to kill the PM does anyone know how long i should be using the UVB for? I just started week 5 of flower so no spray for me
I used a 40 watt UV G13 T12 48" bulb for my indoor grow during the final 3 weeks of the grow. No PM or mold problems at all. After reading many posts here it seemed 4 hours daily was the right answer to your 'how long' question. Whoever said an ounce of prevention is worth a pound of cure must have been a weed farmer. Good luck my friend, hope this answer is helpful.I have a minor case of PM and i was suggested by my hydroponics store to use uvb to kill the PM does anyone know how long i should be using the UVB for? I just started week 5 of flower so no spray for me View attachment 1221683View attachment 1221684View attachment 1221686