And its hydro, lots of moving parts, more expensive, more plant numbers, cant get in to do maintenance during full bloom. for less then what you would spend in that thing, you should look into Recycled organic living soil no till method.
Make the soil (ill be using 6 10 gallon smart pots $40, entire soil cost me $250 with about 8 gallons leftover)
fill pots (throw in some worms)
plant dwarf white clover or microclover (living mulch that you "mow" once in awhile)
let pots set for 30 days (cook)
plant cannabis
start a worm bin. (many diy options out there, im ordering one plus worms will run me ~$100)
make a AACT (active aerated compost tea) brewer. (you will need a air pump, nylons, water, 1-5 gallon container, and a air stone $20)
add worm bin compost material (ewc) to layer the top of the soil add some lime perlite and your mineral mix. (top dress)
when the plant is done, chop off the plant at the soil level. Dig new hole, plant clone.(no till)
Thow old plant materials into worm bin after harvest.
water with a AACTea every 3rd watering or so. one handful of your soil, one handful of your worm bin material, a tsp of molasses, and a scoop of your nutrients thrown in the nylon sock, sock into 1-5 gallon container, air stone into water. let it "brew" for 48 hours. Rinse and repeat.
This whole set up cost me ~$350 With the yearly buy of a bag of rice hulls (aeration amendment) for $20, and nylon socks $4 per year. I will need to buy more fertilizer/amendments, but i bought all 4 lbs boxes and only used a third of it, ill be good for awhile. However all of the fertilizer/amendments was around 100 bucks. (Alfalfa, crap shell, lime, rock, kelp, tomato tone). The ewc is the most expensive part. With the worm bin you wont have to rebuy after the soil is built. Or you could wait for your bin to put out the casting you need. but that may take awhile depending on your bin.
Ok so i got long winded. And i type fast. If your only growing for personal consumption, something like what your showing is way overkill. Keep it simple. Keep it cheap. Your system there will proly need a water chiller. Thats $500 and you read all the time about people chillers going out. This entire organic growing set up is cheaper then ONE peice of important hydro equipment.
Edit: if making your own soil is not something your ready to do, look at Pro Mix BX Biofungicide and Mycorrhizae. While not as good as making your own, if you only need 20 gallons of soil, this is a good alternative. You are still going to top dress with ewc and AACT. and you will still need to buy the amendments for your teas/topdressing. but that drops the price down to 100 bucks for 22.5 gallons of soil that you will never have to replace.and $50/bale of Promix.