Cannabis_carlitosstarted grow question 4y ago
Noticed past few days some white powder on my plants.
I have two fans and carbon filter going 24-7.
The carbon filter is at 60%
How can I fix? Worried it's week 3 of flower.
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GrowingGrannieanswered grow question 4y ago
You've got powdery mildew - a direct result of the humidity being FAR too high... There are any number of remedies that you can find if you do a search for them but the DIY with milk or the like aren't terribly effective. This has the potential to kill your grow within a matter of days so get on it... and get that humidity into the 40s, tops....
Good luck....
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