I don’t think this would’ve the case as I’m using bio bizz grow bloom and top max which is organic with humboldts secret golden tree and the max ppm they ever had was around 600
Looks to me like light stress. Like Gnick said we need whole plant pics. Plus more info like what light do you have and at what percent is it running for startrers
It’s the plant on the left. These are the best pics I have currently. 400watt hps runnnig to close but was doing better avoiding tacoing before the co2 ran out