If I may add my $0.02
I would strongly advise that you purchase and get use to using an EC pen, PH pen and a combo thermometer/hydrometer in the tent.
I know how much you spent to get started.
And you can easily become disappointed when things go wrong. And Murphy is AFN's patron Saint. So
Buy the best you can afford.
When things go wrong and they will.
(Remember this conversation later and laugh).
Everyone here will probably give you some good advice.
But the first question the helper will ask is...
Whats your nutes PH and EC?
As well as the tents environment.
And btw,
Your dumb question is a prerequisite to becoming a good grower and being part of the AFN community.
And yes you're welcome.(to AFN)
Here, being a misfit helps.
Some of us just fit in better than others.
Cheers bro