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Starting my first indoor LEGAL medical grow (god it's nice to say that..). Anyways, the RDWC (recirculating deep water culture) method seems to the best best option based on the research I've done. Nothing too complicated about building or operating, but I just keep getting too much conflicting information on the feed/return logic.
It'll be 6 five gallon buckets with 6" net pots and a large Rubbermaid tub as a reservoir. One air pump with 7 or 8 lines, one for each bucket (attached to air-stones...) and 1 or 2 for the reservoir (attached to air-stones or air curtain..) 600W HPS lighting.
Assuming everything above doesn't look weird to the experienced hydroponic grower, there are inconsistencies I need a few minutes of advice on..
should the pump push water through a main line that feeds near the top of the buckets or should the pump be at the very end of the return line(s) "pulling" the water through the system? Each scenario presents new problems with hole placement in the buckets, fitting sizes and arrangements, and the size of pump I would need. I'd like the operation to be as simple as possible, less chance for things to break or need adjusting.
I just need these last few discrepancies cleared up so I can't start building!!! If someone has a proven simple setup and can give me a quick run down, I will do a step by step with pictures for the forum. Seeing as how there doesn't seem to be one for a RDWC. not in the how-to's or anywhere on the search anyways. haha
When I was running RDWC I pushed the water through. The water drops in from lid of your bucket. Make sure that the pump you run isn't too big. The majority of problems I ever had with DWC is that the roots tend to clog up your drain hole at the bottom and cause the buckets to overflow. So my solution was to just use smaller pumps So that the water had more time to drain out.
-------------------- Dude she isn't as young as she use to be.