My first grow! Original Oreoz from growers choice.

Sooo, Into my second week, the plant that took off from the start slowed right down, I wasn’t sure if i damaged the plant feeding, rookie error, but it seems to start growing at a decent speed now, the littlest one has grown amazing. Each plants been fed on sight, roughly half a litre each plant with 1.5 of A and B with 0.5 ml root excel.. any pointers on topping would be grateful, along with anything the more experienced may of noticed, good or bad😂 Thanks!