New growth yellowing? Or am I paranoid

Excessive water? Don't water the base of the plant, water around the pots and at the base.

I've noticed things like this on my grows, nothing to worry about, I also find it happens with LEDS that are not to strong. I use 300w and it still happens. Its on track, keep going. Good Luck!

nutrient teas/brews are high in soluble nutrients so based on the starting material they can be balanced or high on any of the n p and k and micro nutrients and trace minerals *or they can be balanced in npk, micro and trace like a common ewc tea. these use more starting material than an aact and brew does not include active aeration or food for microbes. its mostly to extract the soluble nutrients out of **the plant material. actively aerated teas are another form of teas which are brewed mostly for microbes and a spoonful of fresh ewc and a tablespoon of molasses or kelp extract is enough to breed microbes in an aact. these dont have much of an npk content. but in the end this plant needs plain water for now definitely. ok couple of correction: *repeated myself there **starting material its hard to answer while doing maintenance in the tents haha

She actually looks like she needs a bit more nitrogen at this point and teas aren't going to help with that. You say her sisters aren't behaving this way - but each plant can and often does react differently to the same treatment. I'm unfamiliar with your nutes but would encourage you to find some way of upping the nitrogen this lady is getting - not by much, just a little as you don't want to have the pendulum swing the other way and get into toxicity. There ARE foliar sprays that will deliver more NPK to this lady that you could try fairly cheaply and may just be the answer... one such is this one on Amazon... https://www.amazon.com/Dyna-Gro-DYFOL008-Foliage-Pro-White/dp/B003SUT6VS/ref=asc_df_B003SUT6VS/?tag=&linkCode=df0&hvadid=416635429653&hvpos=&hvnetw=g&hvrand=1056421811670147731&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9002619&hvtargid=pla-493360248441&ref=&adgrpid=94694114115&th=1 That being said, I had one grow of three ladies where one of them remained steadfastly lime green her entire life no matter what I did (she was actually the best producer, too, which was totally weird)... but you should still try ... Good luck!

nutrient teas/brews are high in soluble nutrients so based on the starting material they can be balanced or high on any of the n p and k and micro nutrients and trace minerals or they can be balanced in npk, micro and trace like a common ewc tea. these use more starting material than an aact and brew does not include active aeration or food for microbes. its mostly to extract the soluble nutrients out of the plant material. actively aerated teas are another form of teas which are brewed mostly for microbes and a spoonful of fresh ewc and a tablespoon of molasses or kelp extract is enough to breed microbes in an aact. these dont have much of an npk content. but in the end this plant needs plain water for now definitely.

Ph in soil is off.

Hold of any teas for now. Keep that for flowering. Cause teas are mainly have K in them right? anyways keep the kick just before pre flower appears you'll notice it before it comes up. Little hairs will start to appear (pistils) and you'll know you are coming into it..

Maybe give it this week or at least a few days off that stuff and think about lowering it for now and slowly increase it. As for the new yellow growth. Give it a few days for the pigment to settle as its common with rapid growth. Draw back on the nutrient mix. Are you giving it that every time? If so think about cutting your feeds down some Good luck.