No problem, didn’t know, just trying to help 
It won’t let me delete it, can you please do so for me? Thanks
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I’m out. Let me know if I can be of any help. Have a great evening 
Hey bro what do you need deleted? Everything looks good to me with our convos?
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The reason inline pump pumps towards res is so you can do a waterfall into res which agitates and adds more air. Cant do that the other way because a plant would be in way. That’s only reason. Water will flow either way just fine.
See how his system has a turn going up and then drops water into res. That’s why flow is to res.
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Ah ok ok. Will it work good if i keep the control res non waterfalled. Like if i place my 1 in line at the bottom. Wanna reduce noise ill be using air stones.
I’m sure it will be fine.
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And how will you transport and clean your system … 
Something that you will need to take into consideration… 
That’s another reason that I think my systems are the best… 
It needs to be simple and almost fail proof…
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The bulkheads are only screw on so they disconnect from there. Same with the return line.
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im with the fuzz. I started with a 6 plant individual DWC then I built the veg ones that I can pick up and walk to the bathroom to clean, then I built the 2 flower ones that split in 2 (via a 2 inch o ring coupling(quick and reliable))and I can walk those to the bathroom to clean…
the next phase im rebuilding the flower ones and adding another and they will be similar the veg ones… and they are pretty much the same as the fuzz’s but I use a 2 inch at the bottom and one bucket… simple, easy to clean and move around would be my recommendation…
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Install a 3/4 barb at very bottom of each tub with a shutoff.
Connect these to a pump that has a drain line you can run to wherever you need to drain system.
When emptying system just open shutoffs and pump water out. Simple.
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I want to put a system together,
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That is some serious planning for a RDWC. I wont lie that blueprint is amazing and pro level but I think ima take the simpliest route for mine. That last pic i uploaded is gonna be the final one which is alot different thanks to all who are helping. Honestly idk if I plan on draining alot, alot of people just add fresh and replace nutes over old feed. Not the best I know but I dont think its super huge difference. I may be wrong tho. All these ball valves I dont really understand it, and am I suppose to shut off my pump if i close a valve?
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I use the valves to switch between the hydro refill reservoir and to isolate a line if I need to. Anyway, I can close the valves between the control reservoir and the chiller & open to refill valves to change out the water weekly, by back flow through the chiller to the control res from the refill res, without removing anything.
Pros-
Very clear cut and easy to fill and maintain system.
Separate float valves from RO lets me fill the refill res up after weekly change and keep the control res topped off.
A lot of room to work with everything on 10" platforms off the floor to make trimming etc. easier.
Cons-
Passive 2" PVC return line to the control res makes cleaning harder between grows.
Tuff Totes can crack and leak if you are too rough on them. (Fill them and leave them alone)
Mostly I posted the specs because I don’t see a full picture “Here build this…” anywhere.
Obviously I am a fan of over engineering! In the end your system just needs to be set up in a way that works for you. Hydro isn’t rocket science really, but you might save a bit of work thinking it through before building. (Unlike me who decided to dive in and rebuy stuff a couple of times when something didn’t work the way I thought it would. 
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I use 2" PVC for the water return to the control res. The reason for this is if roots make into the pipe it wont be an issue because it is so large. 3" is way over the top I agree. This is what I mean by “passive” return. I pump water in and let gravity even out the water levels in the stations and control reservoir. I pump water/nutes into each of my four hydro stations via a 3/4" flexible tubing.
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Hmm Maybe i should just do 2 in. Yea I havent dived into RO or chillers yet. Idk the big fuss on RO unless you have like 300+ ppms. Mine are about 150 and i like the added minerals haha. A very small cushion like soil but no where near like soil hah.
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Your’re right RO is a “nice to have” thing usually, 
I went with RO for a couple of minor reasons. First I have a utility sink very close to my set up so it was easy to install and use. Second, I am used to RO so I pretty much know what a X number of milliliters or this or that will do when I add it. I don’t think a person needs RO unless the water you are using is heavily chlorinated. Even then you can avoid the problem by letting it set out for a time before using.
The chiller is a great insurance policy.
It keeps the water cool and prevents temp spikes. It helps prevent root rot due to low oxygen if you get above 86 Fahrenheit. Even over 70 degrees the ability of the water to hold dissolved oxygen is significantly reduced. I don’t use hydro-guard or any other product to protect roots. With the chiller I have never had an issue.
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Way over complicated and too many places for leaks…
Nice setup tho…
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Yup true enough, but only leak thus far after a couple of grows was not my hose lines, but the lid of the Tough Tote. The net pots I used at first had a small lip. After the plants got big, they pushed the net pots down and one almost into the tote. Blocked flow and water level got high enough to leak. Sigh
Fix was to add 1/4" board to support the lid / net pots and new net pots with larger lips. The boards are water proofed and all has been well since.
Good to hear from you Peachfuzz btw!! 
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On my old system, I had a 800gph inline pump on the return. Now I have a submersible pump in reservoir pumping to the plants container. Each container of plants has it’s own reservoir, due to the fact they are in different stages of flower and require different nutritional needs.
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