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 Post subject: Joels System
PostPosted: Mar 20th, '07, 16:35 
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Monya pointed out to me today that I have never actually set up a thread for my large flood and drain system... :shock: So I guess I'd better...

Many of you may already know about the design and the construction of my system from reading about it in the book so I won't go into to much detail about the construction.

Well the system has been running for three years now and it's the most trouble free of any of the systems I've built. After a few early teething troubles with working out the flooding cycles, and the draining methods, it has been running faultlessly.


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 Post subject: Re: Joels System
PostPosted: Mar 20th, '07, 18:14 
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The system consists of a fish tank thats 1.8m in diameter, by about 0.9m deep, this equates to roughly 2000L. There are then the four growbeds of 1.8m diameter by 0.3m deep, which is about 3000L in total, this gives me a ratio of growbed to fish tank of 1.5:1, well and truly enough growbed volume to support a decent amount of fish in the fish tank..


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 Post subject: Re: Joels System
PostPosted: Apr 6th, '07, 10:35 
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The system has been up and running for three years now and there have been a few trials and tribulations, but generally only of my own doing rather than because of the system design or construction.. Like the time I decided that I could keep Barramundi over winter.... Not...

I have had some issues with the sump pump in the drain tank, seals keep blowing in them and in three years I'm now on my third pump.. I really need to look into finding a different type of pump for the sump without seals that can blow...


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File comment: You can just make out the growbed through the foliage.
IMG_1924 (Medium).jpg
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File comment: That crazy tomato plant.....
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PostPosted: Apr 6th, '07, 10:41 
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Some people think that gravel beds get clogged with roots and old plant matter as well as solid wastes from the fish. About 6 months ago, after the system have been running for 2.5 years, I did a test to look for clogging in the gravel beds.. There was no clogging amongst the gravel apart from new fresh roots from the plants I had just removed from the bed, there were many worms, and I assume these have been very proactive in keeping the levels of solids down in the bed...


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PostPosted: Apr 6th, '07, 10:43 
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The inspiration that helped get me hooked...

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PostPosted: Apr 6th, '07, 10:48 
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This is the gravel bed I dug into pictured above, just before I pulled all of the plants out so that I could replant... Check out the silverbeet that was growing in the middle4 of the bed... That growbed is 1.8m diameter, the plant was well over 1m.


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File comment: The chooks are going to gte a feast
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PostPosted: Apr 6th, '07, 10:59 
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For those that wonder about what a system can produce in winter time, these pics were taken in the middle of winter here in Perth. Now I know we may have a fairly mild winters compared with some, but we still get a few rfosts where I am, though the AP system doesn't seem to get effected by the frosts as much. Some of the plants thriving in the system during winter include, snow peas, cabbage, silverbeet, brocoli, celery, parsley, chard, chives, mizuna.


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PostPosted: Apr 6th, '07, 11:14 
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Here are some pictures taken in the last couple of weeks. First picture is of the bed a week after planting it out with seedlings, and the second picture is a week later.


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File comment: A week after planting seedling.
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File comment: And then a week later. The water cress is putting on some incredible growth.
IMG_2074 (Medium).jpg
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PostPosted: Apr 6th, '07, 11:17 
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Simply beautiful!

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PostPosted: Apr 6th, '07, 11:26 
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More pictures taken in the last week or two.. Everything in this bed except the chives and purple basil was planted 5-6 weeks before these photos were taken. The eggplants are going very well, self seeded tomatoes are sort of taking over a bit.. And notice the snow peas? I grow snow peas in that one spot pretty much all year round. One of the great things with aquaponics, you don't have to rotate crops, so any framework for climbing plants can be left in the one spot.

And beware the chilli........ These beautiful looking chillis pack a tremendous punch.. (oh and this chilli plant is in a different bed, it was grown over summer, not in 5-6 weeks)


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IMG_2083 (Medium).jpg [ 136.02 KiB | Viewed 13623 times ]

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PostPosted: Apr 6th, '07, 13:09 
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Great looking Habanero Chilli Joel. They certainly do pack a punch.

I've seen your system heaps of times before, but each time I see it I am inspired.


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PostPosted: Apr 6th, '07, 13:17 
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that silverbeet is astonishing :shock: wow

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 Post subject: Re: Joels System
PostPosted: Apr 6th, '07, 13:20 
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Hi EB,

I like the pea gravel.......much better than the stuff I've seen locally.

Gary

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 Post subject: Re: Joels System
PostPosted: Apr 6th, '07, 13:33 
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Seriously, this cant be healthy.
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Hats of to you oh mighty one fabuilous growth fabuilous system I hope when my system is a bit older it looks like that

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PostPosted: Apr 6th, '07, 13:38 
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i like the chaos............a little like my philosophy.........."oooh oooh i've found a sq cm of gravel, Plant!" :) Always nice to see those pics.......and the chillies seem so tame and friendly at a distance ;)

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