Could this be a Phosphorous Deficiency?

Hey guys, the last feeding of nutes was about 8 days ago (EarthJuice Bloom, Kelp,Molasses--Medium mixture fed)

This happened to leaves of one of my indoor plants within a span of about 3 days. Is this a P deficiency?..I have 2 others along side of the plant being given the exact same schedule and they don't look like this (all different strains)

Yes it is might be something else too

cannabisweedPotNerd said:

Yes it is might be something else too

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Yea I was thinking the same is why I was unsure to begin with. Been awhile since I've checked runoff pH so going to check that nxt watering.