Tips of a few non fan leaves browning, redish purple lines on underside of some

needhelpgrowing

Active Member
Here is most of the info on my plant from my Journal

https://www.rollitup.org/grow-journals/302974-green-house-big-bang-first.html
I was having what I believe was a slight N deficiency so I got fertilized and then that went away (yellow spots appearing on leaves, old leavers dying first and moving upwards).

After that went away I got a little bit of I think over fert with a few higher up tips turning yellow/brown and most of the higher up leaves curling inward slightly so I just used water for 3 straight waterings and used 1/2 as much fert (1/2 what i was giving it before which was 1/4 what it recommended so it would be 1/8) as I did before on the 4th watering and then left for a trip for 3 days.

I got back today and most of the leaves looked the same with maybe a tiny bit more brown/yellow in a few areas but the plant is still probably over 90% healthy green. The problem was I see that now 2 of the sets of non fan leaves have a little brown on the tip and its multiple leaves in the set. Also some of the fan leaves have reddish/purple on their big vein underneath. I would say its two groups out of maybe 10-20 non fan leaves have 3 of their leaves browning. Is this a Potassium or Phosphorus deficiency? The picture there looks a little extra droopy because it needed water which I gave it today with a normal dose of fertilizer (1/4 recommended).

Also it is 1.5 weeks into flowering. I am still using a 20-14-13 fert, should I switch to a flowering one now for the next watering in 2-3 days?
 

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since re watering them with just plain water do you think the ph rapidly changed. The nutes are good don't change unless you start to flower then change.
 
New pics from the very top of the plant where the new damage is. Anyone have any idea?

Also its 1.5 weeks into flowering, when should i start seeing buds forming? I don't see any.
 

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