Had some yellowing on bottom fan leaves and some on the tips of the new growth im not sure if I’m over feeding or under I’m using bio bizz all mix and bio bizz grow nutes.6 weeks in from germ,I’m also using leds👍🏽👍🏽
Yep that's nitrogen toxicity. Your soil probably has a buildup. Test your runoff. If it's a little high, just water at half strength until it's in the proper EC range. If it's very high, flush it.