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First try aquaponics system

First try aquaponics system
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This is a quick cheap and easy way to get some practice at producing your own food. Aquaponics is great because it lets you grow healthy fish and plants faster than normal and with little maintenance.
My reason for building this project was to get practice and learn about any problems that will come up before making a bigger system.
 
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Step 1Get Materials

Get Materials
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Materials:
-Steel cart and some steel bars
-Plastic bins that cover about the same area as the cart
-Larger, deep plastic bin
-Water pump with a roll of tube that fits it
-Bag of pea gravel
-Plastic colander
-Scrap plywood
-Gallon milk jug
-Whatever type of fish and plants you will want

Tools:
-Welder
-Hot glue gun
-Water proof glue
-Knife or scissors
-Shovel
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48 comments
1-40 of 48next »
Dec 11, 2011. 10:01 AMbmoloney says:
You could try growing duckweed in your system. It is high in protein and can be fed to the fish.
Dec 11, 2011. 7:56 PMbmoloney says:
I'm not really sure actually. I saw an aquaponic system at an urban farm in Buffalo that used duckweed to feed the fish. I'm guessing they made it in to some kind of pellet...?

I enjoyed your post and hope to try this out at some point when I have more space. Thanks!
May 10, 2012. 4:30 PMjanetsgarden14 says:
Tilapia are herbivores and they just eat the duckweed whole, you must grow it in a separate container or they will eat it all.
Jan 28, 2012. 10:05 PMwinterwindarts says:
Most herbivorous fish will gladly eat it fresh with no processing at all-just dump it into the fish tank. The duckweed is best grown separate from the fish. I've usually kept a pretty good crop going for both fish and turtles. It doesn't need more than a couple inches of water but does like a large surface area to spread out (and fill) in.
Nov 18, 2011. 2:58 AMrnkv23 says:
some more suggestions,

- you need to run your system to start the nitrogen cycle. don't add plants or fish immediately. if you want them to survive.
- check your water quality. a simple test will be leave a glass or water where it can get sunlight, with few days you can see algae growing, then its safe, Note this is a crude test.
- your drain system can be improved. the water level in your grow bed will be low. you have to plant the roots deep. or you can use a bell siphon to raise the water level and drain completely.


nice reading your post,
Oct 9, 2011. 11:54 AMPe-ads says:
Really great 'ible, thanks. A comment directed me to The Urban Farming Guys website which was very helpful, too.

By the way, how much did this cost? Its seems it was mostly cheap or scrap/salvage material.
Oct 14, 2011. 9:41 AMPe-ads says:
Awesome! If I can find a cheap pump and cheap fish and plants to start me off, I might have a go ;-)
Sep 4, 2011. 11:50 AMjflores-2 says:
I love the aquaponics idea you should check out this link if you haven't already you may get some good ideas and they do it on a larger scale too. http://www.youtube.com/watch?v=CfR9nDsvBk8
Sep 6, 2011. 11:33 PMtwynn1 says:
Great job on the website. I went there and learned a ton. Thanks. Also thanks for this instruct. Got me to thinking.
Oct 9, 2011. 11:49 AMPe-ads says:
Same :-)

Thinking of doing my own one of these...
Sep 5, 2011. 1:55 PMmasoon says:
what do you feed the fish? I've seen "bio sphere" aquariums where they put snails and certain plants in with the fish in a sealed container. Would this work for your system? I agree with the previous comment about the air pump being redundant, so long as the water pump runs 24/7 or often enough to water the plants and give air to the fishies. nice instructable, I like the pea gravel idea I've been growing with hydroponics for over twenty years and have never seen pea gravel used. Please let us know how this turns out! P.S. you might want to get a high range ph test kit, they're available online or at your local pet store (plants and fish require a certain ph range for optimal health)
Sep 8, 2011. 10:02 AMcloudifornia says:
You're welcome.
Sep 5, 2011. 7:28 AMbodeddie says:
I second all the above comments about checking on local regulations. In my state, KY, this would be a violation since the captive raising of any game fish (one on which there are size or catch limits imposed) is illegal without a special aquaculture permit. It would be ok to to use non-game fish such as minnows, but anything that has regulations regarding maximum harvest or size limits would be illegal. In fact that bass you are holding would get you fined unless you immediately put back into whatever lake or pond you caught it in since it is way below the legal size limit.
Sep 7, 2011. 5:04 AMrbbiggs says:
Yeah, you wouldn't want the Minnow Nazi's with sub machine guns to kick your door in over a fish, like they did with Gibson guitar company.

Nice instructable, thanks for posting
Jan 3, 2009. 6:07 PMcloudifornia says:
LMAO! No kidding!!! ;-O)
Sep 5, 2011. 2:29 AMForest of Cheem says:
AgentMulders' initial comment was correct, those fish will not thrive/survive in those conditions. Ammonia will build up, as well as nitrite and nitrate, which will KILL THE FISH. Also, FAR from enough space for fish those size. Need at least around 200 GALLONS for 4 bass. Plus, what are you feeding fish? Wild fish need to be trained into eating store-bough pellets; live fish costs are going to add up quickly. Not trying to pour water on your fire, just giving some friendly advice to a fellow fish-keeper. While never having kept native fishes myself, I understand and have researched the prospect. Great idea though, aquaponics is the future of sustainable food production and I'm glad people like you are looking into the subject. Keep us posted on updates!
P.S. Here are a couple links to some sites on keeping native fishes. Though one is on bluegills, the requirements are nearly identical.

http://brushyland.com/tank.htm
http://railrunner42.tripod.com/
Sep 4, 2011. 1:56 PMAgentMulders says:
It's a nice simple system, and I like that it's sort of portable. But that's not a healthy environment for fish that size. You need way more water, and the fish would appreciate some gravel of their own, as well as some hiding places in the form of wood or plants or rocks.

It looks pretty safe with regards to filtration area, but I'll bet your fish died a few days after these photos. That's because there wasn't enough nitrifying bacteria to break down the Ammonia from the fish waste into Nitrites and then the Nitrites in to Nitrates. The plants are likely to use the Nitrates that the bacteria produces in the last step of the Nitrogen cycle, not the Ammonia or the Nitrites, which are both toxic to fish.

If you added the aquaponics to a healthy fish tank or matured the system as if it were a fish tank you'd have a stable system much quicker :)
Sep 4, 2011. 3:11 PMAgentMulders says:
That's quite surprising. Maybe bass are hardier than I thought. How long has the system been running now?
Sep 4, 2011. 5:38 PManisbet says:
Try one of the Rule bulge pumps. They are cheap ~$20-$30. They last forever. One of the reviews on amazon says a guy let one run without water for over a week and it was fine. The same guy also used them for pond pumps and said they did fine being run 24/7 for years on end. I have one That I'm going to use for a live well to keep bait fish alive. It was also really easy to use. But most are 12Vdc. The one I have is the 360Gph version(quite small). It moves water pretty well. The instructions even come with charts on how high each pump can move the water. If you get a car battery and charger its a built in back up system. The charger keeps the pump going and charges the battery. If the power goes out the pump keeps running off of the battery. The 360Gph's inlet also fits 2inch PVC pipe couplers. If you do a little trimming on the coupler it works really well. The outlet will work with the clear tubing shown but you will need to check the size.
Sep 4, 2011. 11:33 AMgbrajovic1 says:
I asume that the water pump is always on. In that case, I suggest to take away the air pump. The constant flow of the water (specially while going down through the funnel) will make insignificant the additional aeration provided by the air pump.

Nice project!
Sep 4, 2011. 1:28 PMazamir says:
Great project and fabulous photos! One comment: it may be a good idea to use non-transparent pipes for delivering the water into the growth-beds. Transparent pipes tend to grow all kind of weed-like greens inside them, where light-blocking pipes (regular garden hoses will do), prevents most of it.
Sep 4, 2011. 2:42 PMJosehf Murchison says:
Buy from a fish farm; have them deliver the fish live, it is legal.
Fish from a farm generally are healthy.
Wild fish can carry parasitic flatworms or disease.
I caught a 1,lb Large Mouth Bass with a three-foot tapeworm in it.
You can get catfish, trout, bass, salmon and many other spices from a farm.
Most places outside of flood zones permit controlled pond release.
Sep 4, 2011. 9:38 AMlasselin says:
You shoudn't use clear tubing and should cover the fish tank since algae will grow in there and steal the nutriments from your plants.
Sep 4, 2011. 9:09 AMdruidrat says:
In Washington, you can buy trout fry (others I don't know) and transport them with a permit.
Some requirements to have your system of holding inspected to make sure they don't escape into the wild.
Check with WDFW for more info.
Sep 4, 2011. 9:25 AMdruidrat says:
Also use of food grade containers and glues would be recomended, Don't want chemicals or heave metals leaching into the water of the fish and produce that you'll be eatting.
Otherwise well done.
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