Bubble wand smart, those lil air stones Bob around when under good amount of pressure.
Not canabis specific but plant stuff entry level
https://www.nicholls.edu/biol-ds/Biol156/Lectures/Plant%20Hormones%202.pdf
if I were to do dwc again I would go to a kitchen supply store and by a stainless steel container for my " bucket".
Air pump is not listed.nvm et al dwc
Metal cigar tube would be perfect. Be surprised what you would find around your house that you can use.
Best to have a screw top though, there is a bit of pressure that comes from out of that butane can
read al b fucts threads about managing a hydro system.
He uses very simple method but you must be excact in your approach with the system you are using IZZAT
https://www.rollitup.org/t/get-a-harvest-every-2-weeks.6592/
I agree with him, every 6 hours and see how they act. 5 times a day is for plants that are thriving
They are paid to sell products not help people, treat them as you would a used car salesman.
That three part is industry standard for commercial hydro of many fruit and vegatable farms. Great,stuff.
The Lucas formula for its simplicity I would recommend.
8 micro 16 bloom