Phosphorus deficiency?

Roots 707 soil, watered in with Great White Myco, veged for 18 days, during that time I watered with 2 tsp a gallon of Gnatrol to kill fungus gnat larvae. Watered with a compost tea, 2 cups compost, 1 1/2 cups ewc, 1 cup humus, 1 oz of molasses, brewed for 26 hours. And made a kelp, alfalfa tea with 1 cup alfalfa meal, 1/2 cup kelp meal in 5 gallon bucket aerated for 24 hours. Havent given any nutes in feeding until today I did 1/2 strength feeding with Roots Organics nutes, Buddha grow, Buddha bloom, trinity, and HP2. They are 7 days into flower today, so 25 days total in the soil. P deficiency?

Can you take photos under natural light? I can't see any purple except the stems. Leaves look like mg def. But, can't tell because of the color balance of the photos. I'm sure others could offer a better opinion with better photos.

az2000 said:

Can you take photos under natural light? I can't see any purple except the stems. Leaves look like mg def. But, can't tell because of the color balance of the photos. I'm sure others could offer a better opinion with better photos.

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I think youre right on the magnesium deficiency, just watered this morning so ill do a cal/mag foliar in the morning, and then add cal/mag next watering. Thanks