I don’t know what happened but I keep this tab open at all times and your post didn’t show up until I just refreshed this page. That’s weird!
I refreshed the page only because I was going to post a small message about the AC Infinity RH probe test and the Editor window was acting up…it wouldn’t load an image…stayed on 0% upload for extended period. That’s what caused me to refresh the page and to see, finally, that your message was here.
My apologies. I didn’t know your message was sitting here.
Yes, it does ‘look’ to be Potassium Deficiency.
I thought Lockout in Hydroponics only occurred when pH is outside of 5.5 and 6.0.
That’s not the case?
Thank you for the chart. I will save that for future reference. Thank you!
My only problem with that diagnosis is that it is only around the middle of the plant - the parts closest to the bulb. Not even on the other side of the same plant. Just on the bulb side…unless I’m missing seeing it. It really is FULL in there.
I saw yesterday that the hooks I’m using to Horizontally Restrain the Girls needs to be adjust UP as they grow. Some of the limbs I captured with the Yoyo’s previously are still in place but lower on the plants and those limbs are leaning back in toward the center as they grew up (I truly believe they are done grow UP).
I am still in the Flush I started this AM (going to be yesterday, soon).
I don’t know why I let it happen but I told myself I wouldn’t let the E.C. get that high again.
I think it is because the recipe coordinates with the “Weeks” into the grow and I use the recipe that coordinates with that calendar…mistakenly.
I’m going to bring it down when I drain and refill…I’ll use 3/4 recipe.
I grabbed a bud when I was in there during the Flush and it was really SUPER sticky, already! Wow!
Hey, my friend @JoeCrowe … are your familiar with “MynameStitch Guide to Sick Plants/PH/and Pest Troubles”?
That used to be the go-to guide for what is ailing our plants.
It took some searching but I do see it is here on Overgrow…
Thank you, again, ever so much! 
Edit Add: To clarify: (I truly believe the ‘Tops’ are done growing UP) The tops haven’t moved up in several days. The bud sites below that are still growing up.
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WHAB