Londoner
Well-Known Member
It must be getting pretty cold where you are now mate?
Whats your lights out temperatures like in the growroom?
Below 68f can lockout N in the rhizosphere, causing yellowing.
I have to keep my heating on all night now, used to get nitrogen uptake problems every winter. cold compo at lights off.
Whats your lights out temperatures like in the growroom?
Below 68f can lockout N in the rhizosphere, causing yellowing.
I have to keep my heating on all night now, used to get nitrogen uptake problems every winter. cold compo at lights off.