Lol! I've made my own UVC sanitizer a few years ago for my greenhouse plants. Used grandma's bread pan (~4x4x12inch) and put a 2 pin socket in and the ballast on the backside as I saw the hobby unit the first time back in the 90s. My treatments looked like when the airport staff is searching for wappons with the handheld metal detector, lol!
I hear my mother laughin', what the hell are you doing? Do you dance with them?
But it worked wonder! Almost no mildew or boitritis anymore sometime until november and no need for a stinking sulfur burner. And to avoid spider mites, thrips and other little critters I'm still using Neem bran mixed into the soil. Works wonder too!
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With the Agromax PureUV I would start with 24" and 1+1h per day and increase every other day by another 15mins. If you see wilting leaves or burnings turn it back by an half hour and fix it as maximum. The distance on the haze side seems already lower than 24". If so start with 2x 30 minutes on this side. These Agromax beasts are f.... strong. 440μW/cm² at 1' and 170 at 2' is ~3 times more like my reptile bulb can do at the same distance. Theoretically you would have the same dose with only 4h per day at 1' as I get with 12h. But they are not used to it and for this reason I would start with less.
I found out the selfmade collodial silver has only 15-17ppm no matter if I use the generator for 12, 24 or 48h. But the most strains need 50-100ppm strength. You need only to apply it more often(3-6x the day) and it should work like expected. I've tried it with 3 strains and with 3 treatments the day it worked okay. Not a hell lot of male flower and most show their nanners from the beginning but I was able to get a bit pollen. I picked the closed ones out, dried them and rub it through a sieve and collected pollen on a white paper.
Gibberellic acid can be used in the same way but I've not tried it yet. But
@klx has used it with success..
