Questions about cabinet grow

Hey all, have a couple quick questions about doing a scrog in a cabinet I'm building. I've included the the major parts list below (albeit formatted poorly) and wanted to ask a few questions about my first scrog DWC grow.

1) is there such a thing as too much oxygen saturation of the water, too many bubbles, or is it possible to overly agitate the roots with too much bubble activity?
2) My grow space is 39"w x 23"d x 93"h. I'm thinking the 400w system listed below should be plenty adequate for that space if kept close enough to the plants. Opinions?
3) the fan system I've listed should clear the cabinet twice per minute at maximum speed. I'm guessing more like 80% efficiency. Does that sound good, too high, too low?

Thanks in advance! :blsmoke:


Component Cost Quantity Final Cost Purchased
PAX Wardrobe with 2 doors, black-brown, Bergsbo black-brown $210.00 1 $210.00 FALSE
iPower GLSETX400DHMWING 400-Watt Light Digital Dimmable System for Plants - Wing Set $132.31 1 $132.31 FALSE
iPower 4" inch Air Carbon Filter Odor Control with Australia Virgin Charcoal for Inline Fan $30.85 1 $30.85 FALSE
Soler & Palau TD-100 In-line Exhaust Fan $77.60 1 $77.60 FALSE
Hydrofarm AAPA45L 20-Watt 45-LPM Active Aqua Commercial Air Pump with 6 Outlets $41.33 1 $41.33 FALSE
Lee's Sleek Airline Tubing, 25-Foot, Black $5.56 2 $11.12 FALSE
Como Fish Tank Aquarium Blue 14" Bubble Wall Airstone w 3 Suction Cup $6.09 6 $36.54 FALSE
Extech 445815 Humidity Meter with Alarm and Remote Probe $49.99 1 $49.99 FALSE
Dundas Jafine BTD48TC ProFlex Clothes Dryer Transition Duct UL 2158A Listed & Marked With 2 Tension Clamps, 4-Inch by 8-Foot $10.69 1 $10.69 FALSE
Net Pots 5 inch, Round, Heavy Duty, 1 Dozen $18.10 1 $18.10 FALSE
General Hydroponics GH1514 Ph Control Kit $15.00 1 $15.00 FALSE
Hydroton Grow Rocks - 10 Liter $10.06 1 $10.06 FALSE
Panda Film Black & White Poly Film 5.5 Mil 10' x 25' $28.09 1 $28.09 FALSE
120mm Aluminum Fan Filter Grills w/ Mounting Screws, Black (2-Pack) $6.99 1 $6.99 FALSE
Silverstone Tek 120mm Ultra Fine Fan Filter with Magnet Cooling FF123B (Black) $6.96 2 $13.92 FALSE
Imperial Manufacturing PA-4W 4-Inch Premium Intake Cap, White $6.06 2 $12.12 FALSE
EVE6 Undereve Vent® $7.80 1 $7.80 FALSE
Intermatic TN311 15 Amp Heavy Duty Grounded Timer $10.95 1 $10.95 FALSE
Sterility 19 Gallon Storage Box $8.95 1 $8.95 TRUE


Total $732.41
 
I really appreciate the fast reply.

For #3: I take it that means my airflow rate is adequate.

I'd like to add a #4: based on the cabinet size, growing full width and depth, would 3 plants sound reasonable in a scrog? I have a single 18x24 19 gallon tub for the dev bubbler.
 
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