upsetter.
Active Member
Hey guys,
I just cant figure this one out. I've got symptoms on all plants under cob led in raised beds. The plants are growing, but the tips and margins are burnt only on the new growth. The last run in this room went fine and the soil hasn't been amended. Soil is kept nice and moist and grow environment is between 77 and 81 degrees Fahrenheit and around 55 percent RH.
The only things that have changed since the last run are: 1.) I ran a sulfur burner one night a few weeks before replanting the room due to some PM issues with the last run. 2.) I installed a mini split and have not been running an exhaust fan. The interveinal chlorosis on the older leaves is something I have dealt with since working in this spot under LED, I am more concerned with the new growth. What do you guys think?
I just cant figure this one out. I've got symptoms on all plants under cob led in raised beds. The plants are growing, but the tips and margins are burnt only on the new growth. The last run in this room went fine and the soil hasn't been amended. Soil is kept nice and moist and grow environment is between 77 and 81 degrees Fahrenheit and around 55 percent RH.
The only things that have changed since the last run are: 1.) I ran a sulfur burner one night a few weeks before replanting the room due to some PM issues with the last run. 2.) I installed a mini split and have not been running an exhaust fan. The interveinal chlorosis on the older leaves is something I have dealt with since working in this spot under LED, I am more concerned with the new growth. What do you guys think?