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QuintinQuick

RDWC with Root Misting set up

24 posts in this topic

Hi,

Im setting up an 8 pot RDWC system - got everything together and nearly finished the bit of building/plumbing work required - been looking online and found these cheap misting kits - basically a length of 4mm hose with a number of T connectors and misting nozzles.

 

Would they be useful to insert into a RDWC pot, fitted in the side of the pot 2cm below the bottom of the mesh pot, constantly spraying a mist around the roots?

Would a filter be useful to stop the nozzles getting blocked or detrimental to the nutrient levels of the sprayed mist?

Would 1 spray nozzle per tub create enough mist?

Ideal pump to use?

Is this a waste of time even considering?

 

In theory it should reduce the required water height and flow speed, saving nutrients, electric and equipment life - but we all know theory from practice.

 

I realise this is similar to badbillbobs set-ups directly spraying the roots, but not quite the same because the water will still be pumped around the system.

 

Thanks for reading - any advice or links to diaries/posts very welcome please - couldn't find much on the search, but maybe I'm asking the wrong questions.

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my set ups don't directly spray the roots. they spray the water surface only.

your idea might work, but there are a couple of points to consider.

The first one, like you say is blockages.

secondly- If you use sprayers it will be more like an aeroponic set up, if there is a big space between the roots and the water, and generally speaking aero set ups take a much higher feed EC than recirculating systems, so you would either be running a high ec aero system, or a low ec rdwc system.

I actually considered something similar for my own set up, but in the end I binned the idea. I was going to replace the spray bars with aeroponic misters/sprayers.

Another thing to consider id aeroponics, when it goes wrong, it goes wrong real quick.

 

Im not trying to put you off, these things need to be tried, I don't know if anyone else has tried it, and if it works, you might get the best of both worlds, but I think feed ec will be key

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Thanks, Bill.

I think I might save this idea for my 2nd or 3rd grow - I got more ideas than experience!

I'll let you know how I get on.

Cheers

large.5ec19300f2827_Glueipa.jpeg

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lets get a look at your system please?

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I plan to start setting it all up in a week or 2 - equipment is piled up in the corner at the moment.

1st I will set up a small area for veg under a 250 watt dimmable budget LED, then over the next 4 weeks get the main area finished - its all got a bit serious - my plans started of quite basic - a 4pot tent at the back of the garage - but the more i read the more elaborate the whole thing has become. Ive partitioned off half the garage and made the other half into a workshop - am really pleased with it so far. I've done the building and electrical work, just got the plumbing and reflective wall coverings to finish before I set up - has been quite a learning curve, really enjoying it.

I plan to start a diary - I'll upload some photos as I get the bits put together.

Thanks again for the advice.

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Bought a misting kit and a small pump - am gunna give it a go in a small veg area - couldn't get the idea out of my mind.

I guess it'll be big, fat, fast buds or fuck-all !!!!

 

Anyone else have any knowledge, opinions or advice for this type of set up?

 

 

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Posted (edited)

  It`ll work whatever happens, worst case is the outcome will be limited to whichever method is the least efficient.

Edited by Geo
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Lex the Blazer pretty much sums this subject up pretty well, if anyone was interested -

 

 

 

 

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HI what misting kit are u using i have build a couple in my time mainly for clones and found them blocking alot 

due to most of them are made for mains water or high pressure pumps.

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On 6/17/2020 at 1:25 AM, gavlp20 said:

HI what misting kit are u using i have build a couple in my time mainly for clones and found them blocking alot 

due to most of them are made for mains water or high pressure pumps.

Hi Galvlp20,

It's a no-name misting kit from ebay, still not set up so can give no helpful opinions yet.

It has brass nozzles and the push-fit fittings seem very strong, but I am concerned about blockages.

Found a great little repeat cycle timer from Crouzet - well, I say great but as yet I haven't even tried it - in theory it does what I want - and a small DC pump which says it gives more pressure than from the tap.

 

I'll update my progress as I go along - close to setting up.

 

When you say the nozzles were blocking a lot - how often? - (I planned on a weekly clean/flush of the nozzles).

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The 10-24 threaded brass misting nozzles love to clog and it will drive you mental ;)

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Posted (edited)

Seems quite a knowledgable guy in the vid, I've just built a proper high pressure aeroponics garden, havent run any nutrient through the misters yet though!

 

Should be interesting. . .

 

Im using nozzles with a 0.7mm orifice - should probably add that I'm running 7-9 bar pressure through the nozzles to get the 50 micron-ish droplets

Edited by argosthewizard
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Hey Argos,

Good luck with the high pressure system - sounds great.

 

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Thanks mate, sounds like I might need it!

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21 hours ago, argosthewizard said:

Seems quite a knowledgable guy in the vid, I've just built a proper high pressure aeroponics garden, havent run any nutrient through the misters yet though!

 

Should be interesting. . .

 

Im using nozzles with a 0.7mm orifice - should probably add that I'm running 7-9 bar pressure through the nozzles to get the 50 micron-ish droplets

come on then, don't leave us hanging, lets see it?

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