Definitely post pics if you can. Having a K deficiency after only one month of growth isn't as common as you may think. If the leaf tips are scorched (dead and dry), then maybe... but if it's an even yellowing stretching across an entire leaf - generally starting at the bottom - then it might be lacking Nitrogen. That is pretty common after a month of strong growth.
Mr. Clandestine Reviewed by Mr. Clandestine on . K Deficiency? Help? Hi there, I know im new to this and may seem like a bit of a div coming for help but anyways, i've been reading through peoples grow diaries for the past few months here and about a month ago I started my own grow of 4 lowryder 2's.. all has been going well with some quite good foliage on all 4 plants (despite the usual runt of the group still managed to pull through and produce some good leaves) until up to about a week ago i noticed some yellowing of the tips and edges of the lower leaves on Rating: 5