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Thread: Aquaponic for filtration
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15-12-2018, 12:47 AM #1
Aquaponic for filtration
Sorry moderators, this shouldn’t be in “Welcome”, wrote it on my phone, please move to correct heading if necessary.
My newly established 1000L grow tank is just about getting through new pond syndrome. I knew nothing about setting up a tank when I bought my fry 6 weeks or so ago now, but in that time I have read a lot, done the water tests and are well on the way to understanding what the fish need.
But my crash course in the Nitrogen cycle makes me wonder why I am not growing lettuce and other green stuff rather than just run the water from the tank through my filter.
So does anyone else have an aquaponic system running along side a koi grow or QT?
Or am I being too ambitious to think I can grow on my fry and grow my veg?
Thanks Steve
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Last edited by Dudley; 15-12-2018 at 12:50 AM.
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15-12-2018, 02:52 AM #2
I’ve not done it myself, but have seen plenty of systems, albeit with Tilapia rather than koi. (And yes the tilapia was reared for food, as was the lettuce)
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Dudley Thanked / Liked this Post
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15-12-2018, 07:58 PM #3
Dudley,
There are no issues using the nutrient rich water to feed plants. I feed my bonsai with it and am still trying to rig up an automatic watering system. However my plants need other nutrients as well. Another issue would be the winter time when plants don't grow anyway (unless they are inside under a grow light) so would take up none of the nutrients. You therefore need belt and braces to remove nutrients from the water. A Recirculating Deep Water Current (RDWC) system could be ideal. There are penty of examples online.
Kenny
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Dudley Thanked / Liked this Post
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16-12-2018, 12:51 AM #4
I have a cunning plan that I have not yet put into action to harvest waste water from my drum and pond overflow water into my water storage butt system for use on the garden. I do have a couple of floating baskets of water cress in the pond but not enough to really consume any significant nitrates or phosphates.
If you're interested in using plants to do the final stage of nitrate removal then a large veggie filter is a good option that can made to look really attractive. The main rule to follow is to keep your koi away from any plants you have since they are professional plant vandals2016 new 6000 gallon pond
https://www.koiforum.uk/pond-construc...ghlight=feline
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Dudley Thanked / Liked this Post
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17-12-2018, 06:41 AM #5
I do something similar using a sump pond. I decided against recycling it into the rainwater harvesting system because it is really really smelly stuf and we use the rainwater in the house for flushing.
You would want to have a settlement tank I think, to get rid of the worst of the solids or they block your hose system and even your watering cans! I'm sure the plants love the stuff but I have had a few complaints from OH & DD!6000g in ground koi pond
+3000g lily/Anoxic pond attached
29 koi (40 to 65cm)
Bottom drain, Mid water & Skimmer to Drum
JBR boichamber->Blue eco 500 pump ->below surface return.
Blue Eco 240 -> Large MB -> Waterfall -> Planted Anoxic pond (25 baskets)
The Daily pond temp thread
Just kept 12 overnight for the first time. Hitting 12.8 in the daytime but bang on 12 first thing...