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PostPosted: Feb 20th, '19, 05:31 
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Hello everyone,

I would like to ask for your help. I have some experiences with aquarium aquaponic (approx 100 l system), but this is something
else and I would like to consult this with the skilled user.

It is necessary to use swirl filter in the setup I describe below?

Buddy has a pond on backyard since June 2018, he's got trouts there and some perches there. The volume of the pond is approx 30,000 liters and is
placed in shadow. He use pond filter GREEN RESET 100L (2x25W UV-C, 100 l volume, 16 000 l/h).

We got the idea to make the aquaponic system and connect it to the pond by another pump. The AP system includes grow bed (750 liters of gravel)
and raft (400 l volume). I design the system with swirl filter unit, but I would like to ask you if this is unnecessary. The raft should be
clean, because the grow bed also works as a mechanical filter. But what growbed? Will it be necessary to filter the water from
the mechanical particles from the pond? Should we add a worms, which could reduce detritus, but will it be enough in
the outdoor environment?

Swirl filter serve as "waterworks", where I can reduce all flows and shut down both grow units independently. When we make it without
three blue swirl filters it will be simpler and cheaper, but in grow bed will not be filtered water.

How would you do that?

Thanks a lot for the reaction, I hope I wrote all the information about the problem

I apologize for my English and thank you for your help and your opinions.


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PostPosted: Feb 20th, '19, 07:14 
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Nice 3d modeling Chily... :thumbright: No, a swirl filter isn't needed, you can just pump straight to your media bed without any problem.

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PostPosted: May 19th, '19, 00:53 
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Joined: Mar 21st, '18, 09:40
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Hey growers!

So I found the time to do it all. The "filter" is under GB .. It's rather water management system than filter. Euro box is connected with raft by pipe for principle communicating vessels. The water level in eurobox is determined by the overflow (PVC knee) in raft bed.

Grow bed will drain through affnans siphon outlet into eurobox, the water flows from the eurobox to the raft bed and from there back to pond through big orange pipe.

The raft bed is continuously filled with a bypass pipe through eurobox. If the principle communicating vessels dont take a volume of water from grow bed, eurobox have overflow too.

What do you think, is it suitable or too complicated?

The styrofoam board on the raft bed will not float but hang over the surface. We'll probably air it, I saw it works without air, but I'll be calmer when bubbler (DWC) is bubbling. :D

I haven't bought a pump yet, will you help me a little? Will it be enough?
Max head: 4,5 m
Flow rate: 9500 l/h
https://www.ebay.co.uk/itm/Aquafort...1 ... SwTpVc3HMm

Thanks!


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