Fish Aquaponics Natural Processes

There are lots of warm water and cold water species that are being used by the aquapponics system nowadays. But the most common cultivated fishes in aquaponics are cod, tilapia, perch, trout, bass and arctic char. The most favourable specie that the growers would love to cultivate is the tilapia, because they can thrive best in any condition or climate. Tilapias are known to be very tolerant when it comes to fluctuating water conditions such as changes in temperature, changes in ph, oxygen and other dissolved solids. They are also demanding high like of the white fleshed fishes which are best sold in restaurants. In the other hand, plants are depending on the nutrients that the fishes are giving them so that the plants can grow healthier and bigger. The best plants that can be cultivated and harvested in return are those herbs and green leafy vegetables such as the lettuces, spinaches, chives, watercress and basils. The high nitrogen fertilizer are made by the fishes which allows plants to grow lushly, so these plants can grow much easier in the fish aquaponic systems.

Plants can yield their fruit in much higher nutritional components and even if they grow best in fish aquaponics systems, they also need to be placed in heavily stocked and well established systems, such as the bell peppers, tomatoes and cucumbers which are best cultivated in aquaponics systems. In the other hand, plants do not respond well in the aquaponic system are the carrots and potatoes. Maybe this is because of the reason that they are not cultivated well in soil, so they will end up misshapen and hard to harvest in the end. Apart from the plants and fishes, one of the major components in the aquaponics system is the water itself. Some of the researchers are testing and monitoring the ph of the water, and its importance is that, they wanted to ensure the safety levels for the fish. This water testing and monitoring is considered to be very important because it will affect the health condition of both fishes and plants. The most important thing that they monitor is the safe levels of carbon dioxide, nitrate, ammonia, chlorine, and those of the dissolved oxygen. Some of the aquaponics systems are using bio filters or living materials in order to filter out naturally the pollutants out of the water, in this way they will be able to facilitate the conversion of ammonia to other products coming from wastes. Some of the other systems in fish aquaponics are also feeding thee fishes with their wastes directly into the vegetable hydrponic beds. The gravel is facilitating this through removing dissolved solids and in return providing a place for the bacteria in order to convert themselves into plant nutrients.

If you are thinking that cultivating both plants and fishes in fish aquaponics are hard, then you are wrong. In fact it is very easy, because the fish aquaponic systems are not using any chemicals and they are just requiring the owners to use only 10% of the regular water farming. This kind of system is known as closed, the process takes place when the tanks are already filled with water and only small amount of the water is only introduced into the system and right after that the process of evaporation takes place. The process uses only small amount of water because it undergoes natural recycling. In addition to that, the nitrates are then being absorbed by the plants as their source of nutrients. Here is the step by step process in the fish aquaponics system. First is that the fishes which are living in the fish aquaponics tanks are excreting wastes and breathes ammonia into the water. Ammonia is known to be toxic when the fishes are getting high concentrations already, so it is now being removed from the fish tanks in order for the fishes to be healthy they should also be removed in the tanks. Second step is that the ammonia laden water is being processed in order to harvest various types of bacteria such as the Nicrobacter and Nitrosomonas. The Nitrosomonas will turn now from ammonia to nitrate while in the other hand the nitrosomonas will be converted into nitrate, so both of these bacterias can be used as a plant fertilizer. Third step is that the nitrate rich water will now be introduced into the hydroponically grown plants, these plants will be placed in beds that will sit on the tubs which are then filled with water. The plants’ roots are hanging in the holes so that they can get nutrients from the water. Next is that the roots of the plants are absorbing the nitrates which makes it much healthier. These nitrates that are coming from the manure of the fishes are serving as a natural fertilizer for the plants. The hydroponic roots are functioning at the same time as a bio filter, they are stripping ammonia, nitrates, phosphorus and nitrites which are coming from the water. And lastly that it will serve now as clean water which is circulating back into the fishes tanks. The fishes are very important in the fish aquaponic systems, because they are responsible in fertilizing the plants. So there is no need for you to worry much on chemical fertilizers. You can truly save much money in using this kind of fish aquaponics natural fish system. The only things that you need to spend much on maintenance are the feeds of the fishes.

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