lst training split stem

I got 5 gallon hydro system. I’m doing LST training but was wondering what leaves or growth spurts should I remove?? Plant strong and hearty but I know ur suppose to trim the leaves sometimes. and 10,000 lumens at 5200k good for the whole cycle including flowering? I read that 10,000 lumens at...

Hey was doing a final lst pinning down branches before I flower and this happened....stem split right in half...still on tried my best to hold it back together....what do I do now? Or is it going to die?