No, the new ones have a full stop in auto mode and will run all functions at the same time. Edit to add: my fan takes care of high temps and high humidity, i have a digital humidifier and a digital heater. Done.
I agree with everyone else, give it real balanced plant food instead of kitchen scraps. do NOT use anything that claims "feed for 6 months" or similar.
i had problems with GH up/down and switched to AN ph products. They're stupid concentrated and it works much better. Not saying that's your problem but it might help. Oh and ya put calmag in first.
it's a rotation garden. only the front left plant is finishing. Point is you shouldn't assume people don't know what they're talking about. I'm not talking out of my ass i'm simply stating the manufacturer's specs.