1st Grow Mimosa Evo Auto

Yellowing of fan leaf tips is more pronounced, at first wasn't sure if this is normal or early stages of some other deficiency. From what I've gather was potentially a nitrogen deficiency. Some lower fan leaves (2) started to lose color and slowly turn yellow - also not sure if this is normal. From reading and things it seem it could be an entirely normal process, as the plant will now start sucking nutrients from this leaves and slowly work it's way up. I am getting a little nervous because I have no previous grows to compare to and so feel like a total amateur (rightfully so) and can only go off of what I see in forums. If anyone takes pity on me, please reach out 😂 to be fair I am having a lot of fun and hopefully learning a lot this run to make improvements for the next time