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Old 07-09-2018, 12:24 PM #11
bigbadbillybob
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Quote:
Originally Posted by bigbadbillybob View Post
I have used a similar system for years. Its not exactly high pressure tho.and im not sure how you would achieve the high pressure that you want.
I have totes with 40mm returns to the res. these have spray bars around the perimeter at the top which spray water down onto the surface around the net pot. There are no airstones because this provides more than enough DO for the plants to thrive
Mine is run off a 6000l/hr water pump hailea HX8860. this pressurises the water as it pushes it through the lines to the spray bars
Im not 100% sure this is what you are on about, because its been done before successfully, for years. Im in Europe, so that's maybe why


The water recirculates through the return pipes at the bottom of the totes
im having trouble posting images
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Old 07-09-2018, 07:52 PM #12
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That sounds similar to what I'm suggesting, but I'm thinking of having a "spray chamber" of sorts before the main grow container. Mainly so I can easily replace fittings and keep possible leaks out of the main grow area.

I'd love to see your setup though. I'll keep an eye out for pics. Thanks, mate!
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Old 07-12-2018, 01:38 PM #13
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here we go, I think ive cracked it.
The system works kinda like this, i have a reserviour outside the grow room (helps keep temps in check, connected to a chiller, via a 1000l/hr pump. this pumps nutrient from the res to the chiller and back.
Also in the res i have a 6000l/min water pump, connected to 21.5mm plumbing overflow pipe and fittings, these go to the spraybars, which are located inside the top of the totes.
The water sprays from the spray bar into the totes, and the nutrient re-circulates from the bottom of the totes , via 40mm pipework and tank connectors, back to the res.
This is the basic description, but the pics should make it clear. The returns are balanced, with one on each side of the tote, to prevent the roots migrating down the return pipes.
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Old 07-12-2018, 01:40 PM #14
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bloody pics
https://www.icmag.com/ic/album.php?a...tureid=1867616
https://www.icmag.com/ic/album.php?a...tureid=1867617
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Old 07-12-2018, 03:50 PM #15
Douglas.Curtis
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Very nice and clean system, I can see the DO levels definitely being high enough. lol I would imagine clean up after a run is similar to undercurrent methods?
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Old 07-12-2018, 09:52 PM #16
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clean up consists of emptying the system,
filling it 1/3rd with water and pumping it thru, before emptying it, them fill system with water, a little bit of bleach and pump it through for a while. empty it out, refill and off we go again.
the picture shows the lower output pump, it was only 4000l/hr, but I uprated it to 6000l/hr.
didn't really need it but the pump was cheap, so I bought it.
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Old 07-12-2018, 09:54 PM #17
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if you type my username and rdwc into google images there are a few pics of some of my other systems. unfortunately the cops took them when I got busted - the bastards
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