Macros are N p k
Micros are other trace elements. Fe mg mn s b cu co mo n ect....
Your lights are not super bright but imo doesnt hurt. Your trying to find balance of par, nutrients, and co2.
I work with macros and micros in day job and after 30 yrs im no expert. Its a big world. After you learn basics study mobile and immobile nutrients and what there deficiencies look like. That get ya going right direction.
Tank off to awesome start.
Thank you. I did buy a background, those are not my plants. Where do I buy the micros & macros? Are they bought separately or is there something already mixed?