as long as you provide what it needs, care not for the name or fancy graphic on the label. Look for cost-efficiency.
This is more like generics at your local pharmacy. ammonium nitrate is ammonium nitrate. guaranteed analysis will give consistency on labels.
Don't spray them unless there's a reason to do so.. just inviting mold and other problems. roots absorb what they need.. in rare instances a foliar spray can provide minerals more quickly to problem areas.
It's an auto, so feed it but the moment you see some darkness or hint of overfeeding, don't hesitate to dial back a second. Autos don't need as much as photos, if you are familiar.. if this is new, ignore me and keep doing what you are doing because your baseline isn't warped.
normal concentrations maybe every 1/3rd? if diluted, more often.. .just be consistent whatever you have choosen to do, so the plant can adjust (epigenome and what not).