Healthy plant but I’m concerned with the yellow new growth

Hi all I’ve been wanting to trigger this plant to flower but the yellow new growth as me concerned I was thinking a zinc or iron lock out but I’ve watched ph the whole step of the way any ideas or should I just trigger flowering on her?

What were the numbers for your last runoff?

It was actually a little high at 7.7

If you are in soil your ph should be around 6.5

If your is soiless then it should be around 5.9

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7.7 is more than a little high. 6.3-6.8 is the best range for nutrient absorption. Looks like calcium and magnesium are getting locked out. Easy fix once ph is controlled.