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Stop.
The LEDs are not for the first timers. Its the cutting/development edge and seems to be lacking overall (I still dig the idea a LOT, just not ready for prime time (yet) )
A pH, Moisture, ppm Meter? Odd combo. Moisture is for soil. ppm is *generally* for hydro and pH is for all. Sure it isn't a pH, ppm & TDS meter? (should be about $150) There are the cheapo pH, Moisture, light meters from the home improvement stores (careful with them. moisture is good, pH is iffy at best)
Go soil. If you already have the rockwool, hold it for the rooting the clones (a month or so away)
CO2? don't worry about it unless stuck in a tight closet that you can't open the door during the daylight hours (while lights are on)
Watering? Can't do it manually? I'd prefer/recommend manual watering (and thats from a guy who has a killer automatic watering system)
Gotta look at the plant and conclude if it needs water or not.
Blue light for veg, red light for flowering (down and dirty. much more complicated then that)
The vent Q?
Well you want the fan blowing on them basically always (stregnthens the stems) But that is *NOT* ventilation, just circulation.
Difference is that circulation just moves the air around inside the room. Ventilation changes the air in the room from somewhere else.
Happy tokin
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