Needing some help IDing issue. Light spots with browning tips

My plants are having some issues. Both have spots but this one is more severe. Setup is hydroponic with filtered water, ph 6.4, im using the nutes pictured on this one and jacks 321 on the other. Im about 5 weeks into flower. I did see what I think was a thrip, I looked and looked and couldnt find any more but I did get some lady bugs just in case. Its been two weeks since I got the lady bugs and its still looking bad.

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5.8 pH is where you need to be