Do as you please, there's no right way that makes it more 'legitimate and pure'... I'll keep track of weights purely for knowing what changes i need to make to my soil/plant space etc. depends how much you smoke but good to dial it in so not running out between harvests, then to have some to share with friends, then to flood the local market with homegrown 450watt funk.. commercial growing I've heard/ 'google seen' commercial grows and they are up to 200,000 watts, lol..