Leaf issues

BigBud420.

Active Member
Any1 know why my leaves look like this ? I've checked for bugs and found nothing !

I have temp that fluctuates from 68F to 73F with a 400W heater in the tent humidity around 50, good ventilation and air circulation. Nutrients one tenth of recommended dose although did not know whether or not to subtract ppm of my water so I never took it off and had ppm around 280 total and pH run off 6.8.. Plants show a light shade of yellow in the new folage around the top.
 

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