What's up guys

So I'm growing for the first time and things are running less than smoothly so far. My plant is about 12 days vega and some older leaves start to yellow on margins and tips and rot off it seems. Is this a problem?

My setup is Hydro, Perlite/Vermiculite, DWC/Bubbler, Scrog, 400 watt hps, Hesi fertilizers (50ml\10l concentration of Grow), Ph is 6-6.3.
Number Reviewed by Number on . Leaves yellowing from the tips and margins What's up guys So I'm growing for the first time and things are running less than smoothly so far. My plant is about 12 days vega and some older leaves start to yellow on margins and tips and rot off it seems. Is this a problem? My setup is Hydro, Perlite/Vermiculite, DWC/Bubbler, Scrog, 400 watt hps, Hesi fertilizers (50ml\10l concentration of Grow), Ph is 6-6.3. Rating: 5