You need a lot more light. Low leaves tend to yellow and drop when they are not getting enough light. That does not have the appearance of a rootbound condition, and you have not given enough information for the diagnoses that people are giving you.
We do not know pot size, lighting type, or residence time in pots.
Folks, you gotta know this stuff before telling the man he's rootbound...
stinkyattic Reviewed by stinkyattic on . leafs drying then curling Hello my plant fan leafs are drying and curling up its affecting all my plants its starting from the bottom at works its way up some leafs look like they have been eaten! (Attached are some pics) Humidity bettween 35-55% Temp between 17.9 and 28.3 Fed them a weeks ago with hlaf specfied neuts (ironic grow and bloom growthtechnology.com) When i first fed them i saw signs of neut burn so i flushed them all. Run off ph 6.4 Oh and some leafs that look healthy just randomly fall off just like Rating: 5