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Great thread with some nice RDWC systems in here! I figured I’d chime in because I use a similar RDWC waterfall system, but more compact for smaller grow tents. I use 3 or 4 different tents at a time for a perpetual grow set-up, so I’m harvesting every 4 weeks or so. Like some of these other...

Those girls look healthy! Glad your grow is moving along nicely!

Looks really good! I just hit 2 weeks into flower today & woke up to bud sites busting out everywhere! I dropped nutes to under 800ppm last week & planning on doing a water exchange tomorrow. Hoping for at least 3 lbs if all goes well...not an easy task in a 3’x4”x6’ tent!

Nice! You’ve got it dialed in and the plants will reward you! Crazy how differently our RDWC system designs are! What did you use to wrap your buckets & pipes with & has it made a big difference? Is it more for water temps or reflective light for plant growth? I don’t use a chiller, but I have...

Thanks Axion! I’m just a little nervous about trimming in early flower, bcuz last grow I F’d up & hermied 2 plants from stress, but it was more likely from screwing up my grow light timer in early flower.

Man, what a difference 12 days makes... These 1st two photos were taken on 8/18...right after defoliation & about 6 days before I switched to flower or 12/12 light cycle. These next 2 photo were taken today... about 6 days after switching to 12/12 light cycle They’re already in...

Thanks! 2nd grow so I’m still learning a lot...usually by mistakes. It’s under 1000ppm now, but it did get up near 1200 last week for a day or two. I’m doing a water exchange today, so I’ll flush for a day, then I’ll slowly bring it back up to 600 ppm. I just designed a new pumpless drainage...

It’s still so early in the grow cycle, so I’d just toss any stressed seedlings and replace them. I also use Rockwool & T5’s to start. I always keep some water, but not much in the bottom tray and leave the dome on for 7-10 days. I don’t poor water directly on the rockwool or spray the...

Took this photo tonight. These girls have exploded in a week since my previous picture in the above post was taken. RDWC growing kicks ass!

I actually use a 1000 gph pump because it runs the undercurrent flow, as well as the waterfall system, plus I use it to generate a fluming method (small geyser or boiling effect) in the control station, which provides another major source of dissolved oxygen. I also have an aerator & stones in...

I’m Hey 5BY5LEC, I’ve been reading some of your posts because you seem to have the same passion for RDWC as myself! I’ve designed multiple RDWC systems for smaller grow set-ups (2 plant, 3 plant & 4 plant systems) & fine-tuned them over time. I run two 4 plant systems in two separate tents...