Patience is king and pH is his queen! You wouldn’t believe how much of a difference it can make.
I would like to welcome both of you to the forum. There are plenty of people here that take pleasure in helping you reach your goal.
Have you downloaded Robert’s grow bible? Download the Marijuana Grow Bible
He also has much information in his guides and blogs… 200+ Marijuana Grow Guides - Indoor & Outdoor Strains | ILGM
For some visual aids, there was a topic made that will also be very helpful for you. Charts and graphs
By the way, I vote for an outdoor grow when you are able. Place them outside after last chance of frost. I just had to cover two because of an expected frost in the morning.
So much to learn with so little time…