Thanks for the reply and advice, guys! :thumbsup:

Quote Originally Posted by Rusty Trichome
6.3 to 6.8 ph for peat-based mixes. Keeping it below the low range and you will lock-out nutrients.
So, if PH and fert burn are not the problem (burned leaves), what can it be?
AnomanderRake Reviewed by AnomanderRake on . Fert burn or K deficiency? Hello growers! :) This is my first post here in this great forum. I've been reading a lot and started my first grow, and until now I had no problems. Last week two of my plants started to develop burn tips on some of my lower leaves. It quickly spread to most of the leaves, some with more intensity and others with less. I read a lot and saw loads of pictures of problems and deficiencies, but could not deicide if this is a Nute Burn or some kind of deficiency (Potassium?). It's hard Rating: 5