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Old 10-19-2013, 06:03 PM   #1
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Aquaponics

At my house i am going 2 be building a small scale aquaponics in my dad's growhouse. I've got a 80 litre container for the , but that's it so far. I know how 2 make a bell syphon and everything, but have u got any general advice?

All would be greatly appreciated

BTW this is the 1st time on this site.
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Old 10-23-2013, 10:00 AM   #2
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Hey AquaDave,
what kind of fish are you using in the aquaponics?
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Old 10-25-2013, 03:17 PM   #3
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I'll probably use 2 Common goldfish and 2 Hong Kong plecs. I live in Britain so sometimes it'll get so cold it snows (not often though) so they need to be fish capable of living in coldish environments.
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Old 10-25-2013, 06:35 PM   #4
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What kind of plants will withstand that temperature drop?
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Old 10-26-2013, 08:50 AM   #5
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Well, because it's in a growhouse, I'll *hopefully* be growing 4 - 6 lettuces, 1 pepper plant, a couple of rosemary cuttings, a couple of mint cuttings, and 3 strawberry plants. Hopefully means this may not work and the plants may all die off. Hopefully it will flourish.
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Old 10-26-2013, 09:03 AM   #6
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Oh ok! that sounds pretty cool! I am from Indiana so I am doing Tilapia. I was originally going yo do the aquaponics, but now I am running a small scale tilapia farm instead. Hope that your plants do well!
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Old 10-26-2013, 10:39 AM   #7
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The container will, at 80l, be too small in a very short time, as goldfish grow quite quickly under normal circumstances. The pepper might be problematic as they like warm weather. However, it is worth a go. I grow rosemary in a pot and I would think mint could be grown the same way, so you could save the space for your other crops.
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Old 10-26-2013, 02:38 PM   #8
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Quote:
Originally Posted by BillD View Post
The container will, at 80l, be too small in a very short time, as goldfish grow quite quickly under normal circumstances. The pepper might be problematic as they like warm weather. However, it is worth a go. I grow rosemary in a pot and I would think mint could be grown the same way, so you could save the space for your other crops.
It should take a few years to get too small wouldn't it?

I could get one goldfish if required but I will have 2 trays of plants filtering the water, as well as soon after it's build I will have a tank for growing duckweed to feed the goldfish (the Hong Kong plecs will eat algae mainly) and instead of any uneaten duckweed rotting and polluting the water, on the contrary! It will just start growing until it's eaten and in the meantime will help filtering the water!
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Old 11-04-2013, 01:59 PM   #9
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Quote:
Originally Posted by BillD View Post
The container will, at 80l, be too small in a very short time, as goldfish grow quite quickly under normal circumstances. The pepper might be problematic as they like warm weather. However, it is worth a go. I grow rosemary in a pot and I would think mint could be grown the same way, so you could save the space for your other crops.
Yeah ur right about the rosemary and mint, though I may need a bigger pot for the mint. However, I'm going 2 try and grow a couple of (bell) pepper plants and 3-5 strawberry plants on the top shelf/tray, and 4-7 Lettuces, some herbs and spices on the 2nd shelf /bottom tray. If each pepper plant grows 7 peppers and each pepper takes 7 weeks to grow, then I will have 2 peppers each week, and 1-2 lettuces each week, which will be enugh for my family of me, my mum, my dad and my brother.

I'll keep with the 80 L for one common goldfish and 2 Hong Kong plecs for now, and in 3-5 (or 7+ if possible) years move them (the goldfish definitely) into a bigger container.

By next summer it should be powered by a tiny wind turbine made from pipes for the blades, and generators etc and have another but smaller container for growing algae, shrimp and duckweed. The duckweed will be the main source of food for the goldfish, the algae being the main food source for the Hong Kong plecs, and a couple of shrimp being fed every week or half week to all three fish. The goldfish may also have some algae and aquatic plants etc. Sometimes I'll feed the shrimp and the loaches, but mainly it'll be self sustaining.

1) The shrimp will eat algae (and some shrimp food)

2) Their waste is a fertiliser for the duckweed, and algae, and both types of vegetation will clean the water for the shrimp

3) The duckweed will be the main source of food for the goldfish (I will scoop it into the fish tank), with the shrimp occasionally and the goldfish can also eat their waste, algae and aquatic plants (also occasionally plants from the hydroponics)

4) The Hong Kong plecs will clean the tank of algae, being the main source of food for those two fish

5) The nitrogen cycle will take place and the worms in the hydroponics will eat any other fish mulm (or whatever it's called) and decomposing leaves, stems, roots etc,

6) The nitrates, the worm tea, phosphates and small amounts of nitrites and ammonia will fertilise the plants, and the plants filter this out making it clean for the fish
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Old 12-20-2013, 12:28 PM   #10
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i won't be building this until spring now
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