What size containers are they in? How'd you set up the RDWC?
3.5 inch netpots, taken out of 6 inch flower pots, then placed in the lid of 2 gallon buckets. 10 Gallon res (capable of 15), and about 1.75 gallon per container. Res is below floor level, but room is only 6.5 feet. That is why I love the AF concept, just wish I could grow some, successfully. Got 2 vertigo, 2 TD, and 1 onyx, that produced insignificant amounts, when the light reaching solution problem was solved. The vertigo was one of the tastiest I have ever had (been on schwag for last 5 years), but not potent, due to the nightmare with algae. The TD's really took off after algae was eliminated, but then died out, very little output, not as tasty as vertigo, but I think the TD , as crappy as it turned out, gets me higher. Switched to that tonight. Also TD plants produce very little odor. Vertigo is pungent, but beautiful.
Best Wishes Always!!!!