Actually, commercially grown hydroponic lettuce is done on floating tables on a huge open reservoir (with large scale O2 pumps oxygenating the water). That's a DWC commercial application BTW.
Guess the commercial lettuce growers can hardly be considered serious, huh?
Really dude, your...
What? DWC has, by far, the least moving parts; by sheer proxy of that, maintenance is very simplistic. There's what? An airpump, and airstone and and airline tube. Other than that it's hydroton in pots just like any other $200 system for less than 1/4 the price.
My kit shipped in a plain brown UPS box. Delivery label read from "SH Shipping Dept." Very dicreet shipping as advertized on their site.
Peace,
Rockstar
You are describing a DWC kit. That company sells DWC kits, starting at $35 (including h-ton and RW cubes); check out the DWC section. I'd post the link but the system won't let noobs post links :-)
The kit mentioned in the thread by the OP for $180 is a "complete" kit in that it also includes...