Runagi
Well-Known Member
Temps are around 80 with lots of ventilation and air. Water pH is 6.3, foxfarm soil, plants are 1 month 12 days old, 12th day of flowering. What could be the cause of this leaf behavior?
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i had a similar problem with a couple sativa plants that had made there way into my grow.. they were curling and the lower leaves would turn pale yellow and real soft like leather or something.. i figured the leaf issue to be a PH problem (which could cause nutrient lock out) .. so i made a batch of water for those 2 plants seperate from all the other plants with a ph of 6.0 as opposed to the usual 6.5 that i use for the rest.. as far as the leaf tips curling, i figured this to be a heat stress issue and i moved those plants a couple inches (5") further away from the light... both symptoms cleared up over the weekend.. i hope this helps..
I agree. The rapid onset of these symptoms also seems to suggest it is not rootbound.you probably don't have a problem with the size of the pot.
a 1 gallon pot can produce a pretty big plant