As mentioned above in our part of the uk the best average rh% figures for the year is 70%, 85/100% isn't remotely unusual for us.
Anyone noticing stem rot should immediately cut a few of the healthiest shoots to clone.
Ime it's not fixable it's affect takes hold too quickly.
I noticed a plant being slightly off before going to work, when I came home it looked wilted af
A couple of days after cutting back that plant I noticed it was a bit wilty. Later that evening I looked again and knew something wasn't right, it had wilted further, it was time to panic! I pulled it out thinking possible root rot with the low temps and frequent feeding but no the roots are...
www.rollitup.org
How I saved the genetics from stem rot.