Hungry dude... 150 nutes ?? Your plant is too big for that.. 150 PPM is good for seedlings but your girl is getting big.. up the nutes looks like nitrogen deficiency.
No go up 200ppm.......150+200=350 ppm then wait a couple days to see improvement.....
PPM for Hanna Chart PPM
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Seedlings, Early Sprouts 100 to 250
Early Vegging 300 to 400
Full Vegetation 450 to 700
Early Blooming 750 to 950
Full Mature Blooms 1000 to 1600
Note: EC Calculations are different, here's a conversion chart : heres a great chart that shows how different PPM can be from meter to meter... EC is the only real universal language...