In the following article we will find out how to build a simply aquaponics fish tank with the help of three IBC's. At first, you need to purchase the IBC's. Once you have the IBC's decide which one works best for a fish tank, then cut another IBC into three Grow Beds and the last one you will use it as a sump.
How to choose the proper IBC for a fish tank? Take a look at the base pallet condition and choose the IBC with the best one. This is an important part in building a fish tank, because we need a firmly tank as sometimes, when we discard the IBC's from a truck, some of them might suffer some fork lift damage. If an IBC has a damaged pallet case you can use that one for Grow Beds.
Also you need to look for rust in the galvanized coating on the metal. If you discover rust, paint the parts with some cold galvanic pressure can paints, known as silver frost in some places. You can use a spray gun or a compressor or just paint it with a brush.
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After we've checked all of the above, the chosen fish tank IBC needs to be cut out on the top to allow fish access. After that you need to remove the side-to-side top bars. In some cases you could lay the IBC on a side or remove the base bars. If you still can't remove the plastic tank, try levering the tank out with gentleness. Remind yourself to but the bolts in a secure place, as we will need them on later stages.
Cut the top out from the plastic tank. Measure a 5"(120mm) line on the top of the IBC, from the edge to the center. You can use a jigsaw to cut it.Now you must look for any rust in the galvanizing coating. It's recommended to paint the metal to keep it safe from further degradation but also for aesthetic purposes, if you want it to look good in your backyard.
You need to prepare the tank for painting(primed), in order for the paint to stick for a long time. You can find some of the best primers in the auto-shops. Choose a dark colour for the paint on the top coat.This is mandatory to keep out sunlight. When the system is up and running, green algae can develop on the inside surfaces of the aquaponics fish tank so therefore we must use light blocker colours. Eventually, green algae will develop inside the tank, but dark paint will reduce the size and number of algae, significantly.
Let the paint dry for a couple of hours or less. The final step in building the fish tank is to re-assemble the cage as well as the base and the tank.Don't forget about the bolts you placed in a secure spot.
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Aquaponics is a combination of Aquaculture and Hydroponics. Aquaculture involves the farming of aquatic organisms, for instance fish fish,molluscs, crustaceans and water plants..
The system pictured has fish tank , and a growbed which has gravel placed above the level of the fish tank . The water leakes down through the gravel, past the roots of the
plants before draining back into the fish tank. The plants use the water and nutrients they need to develop, sanitizing the water for the fish.There are bacteria that develop on the surface of the gravel. This bacteria transforms ammonia wastes from the fish
into nitrates that are very useful for the plants.This process is known as “the nitrogen cycle” and it is the most importantpart.
Every method used in hydroponic growing can be adapted to Aquaponics. Plants are grown in floating foam rafts that sit on the water surface. Vegetables can also be grown with the help of Nutrient Film Technique , or through different other methods
using a so-called “run to waste” method.. Numerous fish species can be grown in an Aquaponic system, but choosing the best fish species depends from various factors.A lot of fishes can be grown in an Aquaponic system and it can be extremely productive in a short period of time.But more about that in the next article.
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