Pro’s and Con’s of Having a Murray Cod Aquaponics System

Having a Murray cod aquaponics system is a nice idea in generating good returns out of fish. It is a popular new practice and a highly profitable business for aquaculture. Several fish species can be used in the aquaponics system. Some inputs are required to keep the system performing like air pumps, and feed that is given to the aquatic animal. Murray cod is used in different aquaponic systems.

Pros of Murray cod in Aquaponics murray cod aquaponics

  • Water temperature: 8 celsius to 24 celsius.
  • Oxygen levels: 50 to 200ppm.
  • PH: 7.0 to 8.0
  • If the tank is the right size and water conditions are kept well Murray Cod can survive upto 50years.
  • Small Murray Cod can peacefully co-exist with other fish like Golden and Silver perch.
  • The water source for the operation does not require chemicals e.g pesticides.

Cons of Murray Cod in Aquaponics

  • At large sizes they are not compatible with other fish since they consume anything that fits in their mouth.
  • They grow very fast to large sizes so it is important to grow them in large tanks.
  • They tend to consume particular food, not just any food.
  • They are highly susceptible to fungal and bacterial infections at high stocking densities.
  • At small size, water consumption is less but when they grow big they require large amounts of water to sustain them.

Conclusion

Generally, Murray cod are fresh water species and will not tolerate high salinity level which the common mistake many people tend to make. Having a Murray Cod aquaponics system is a viable project, especially when people know how to maintain a murray cod aquaponics system.

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The Pros And Cons Of Having Tilapia In Your Aquaponics System

Aquaponics remains an upgraded hydroponic and aquaculture system that mutually benefits from both systems. Studies have shown that aquaponics does not need chemicals. It requires just ten percent of the water needed for field plant production and as well a fraction used to grow fish easily. Did you know that with tilapia aquaponics comes several benefits? Reading through the rest of this article will help you discover the pros and cons of having tilapia in your aquaponics system.

Pros Of Tilapia In Aquaponics 

  • Easy To Harvest – Tilapia is always easy to harvest tilapia for aquaponicswhen used in aquaponics. It is often a good idea to purge the fish during harvest time. For this process to be performed, it is expedient to put them in a separate tank. This will help tilapia digestive system to be properly clean. In most cases, you will find people withholding feed for 3-5 days when using tilapia for aquaponics before harvest time. Ensure water is often exchanged during the time of withholding feed from tilapia. This will help to reduce temperature and as well improve water quality. Putting all these together will help to easily harvest tilapia in an aquaponics system.
  • Good Development/Growth Rate – Tilapia aquaponics will always lead to a good development/growth rate for this type of fish. Studies have shown that a 2-4 ounce tilapia fingerling can attain about 0.75 lb by the end of the growing season. Experiencing a good development rate is highly important. This is because you will have the opportunity of producing the same amount of nutrients with a smaller numbers of fish for the plants.

Cons Of Tilapia In Aquaponics

  • High Temperature – When the temperature of the aquaponics medium is too high, the fish may die or not be highly productive. Even at extremely low temperature, tilapia may not be able to perform effectively in an aquaponics system.

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Conclusion

After all, you can always consider tilapia as a fish for your aquaponics system. Tilapia aquaponics can be practiced by anyone who has good knowledge about tilapia .

Using a Catfish aquaponics system. Any Good?

Aquaponics involves the growing of fish and plants together in an integrated system. Catfish aquaponics can be used with catfish since they adapt well to an aquaponic tank. In an aquaponic system, the fish waste acts as a source of food for the plants and the plants provide natural organics for the water the fish live in. The other organics include bacteria like microbes that thrive in the surrounding. They help in converting ammonia, the fish waste into nitrites, then nitrates. The solid waste is then converted to vermicompost that becomes the plant food.

A Catfish

A Catfish

In aquaponics, catfish are among one of the many types of fish one can grow. Since some fish are more durable than others, it is important to choose the type of fish that will adapt to your aquaponic system. There are several advantages to using catfish in aquaponics. The ideal temperature for catfish aquaponics is about 65F to 90F. Colder temperatures can slow down metabolism and food consumption. A warm surrounding improves the fish and plant growth. However, catfish can survive in most climates.

The recommended stocking density would be one fish per three to five gallons of water. This is to reduce stress and give them more oxygen. As the system ages and the water bacteria become stronger, the amount of water can be exceeded. Catfish grow faster in the first breeding years than as they mature. Most fish will take about two years to fully mature. The ideal oxygen levels for the catfish would be four to five ppm(parts per million). Dense tanks may need aeration at night since plants absorb oxygen at this time and may choke the fish. Extra aeration may also be required when temperatures go above 85F.

Catfish aquaponics is a great way to breed the catfish. This is because in the natural surroundings, they have to make their living under diverse environmental conditions.

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Having a Koi Aquaponics System

Koi fish, a Japanese carp used in large ornamental pounds and outdoor water gardens for its large size and attractive colors, is becoming a popular choice for koi aquaponics systems. They’re sought out for their durability as they can withstand year round temperatures and are highly resistant to common parasites. Whereas the most used aquaponics fish, the Tilapia, need temperatures above 75 degrees to thrive, Koi can function in temperatures ranging from 35 to 85 degrees. This means less energy is needed for heating the pound so energy costs are lower. They’re great algae eaters so typically subsist on existing growth within the aquaponics system in addition to greens such as peas, watermelon, and lettuce. During winter they require less frequent feeding (once a day) and produce less waste whereas in warmer temperatures it is recommended they are fed several small meals throughout the day and they subsequently produce more waste. As cold water holds more oxygen, it’s important to add oxygen in the warmer months to ensure the health and functioning of your Koi.

Koi in aquaponics

Koi in aquaponics

Koi are not considered a good fish for eating so for those looking to garner not only plants from their aquaponics system but also a protein source might be better off with a different fish such as Trout or Tilapia. However, Koi can reach lengths of up to two feet after four or five years if water quality and space in the tank are optimized, meaning their resale to hobbyists and pet stores may reap a profit. One of the challenges in this regard is that after a few generations, if selective breeding is not employed, the pretty sheen and color array will fade making the Koi look no better than common carp. Thus, the resale value will be diminished if their breeding is not managed properly. Another drawback is that when the Koi get larger they start to produce a lot of waste and can overload the system. The waste production must be monitored and a larger and more efficient filter may need to be installed.

As a final thought, Koi have been known to live up to thirty years and grow longer than two feet. As they grow larger more space will be required for them to thrive. Having several large Koi would require a tank ten feet in depth and over 1000 gallons of water. Considering this, it can be a great option for a koi aquaponics system for a few years as they grow from small fish to large and colorful ornamental fish, but when they get too big and start producing a lot of waste it may be time to swap the larger ones out for smaller ones.

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Pro’s and Con’s of Having an Aquaponics Shrimps/Prawns System

Having shrimp in your aquaponics is very popular as a form of highly profitable enterprise for aquaculture. Whether you move away other methods of fish farming, there is one beauty with shrimp farming just like any new enterprise. A quaponics system can be used to grow several fish species such as perch, tilapia, Oscars, catfish, Peruvian pacu, gold fish, some varieties of aquarium fish, fresh water prawns and koi. This system can harvest anywhere from one to thousands of pounds yearly depending on the size of the system.

The main inputs to the system are light, water, oxygen electricity that pumps filter and oxygenate the water and the feeds that is given to the aquatic animal. In terms of the output, the system can may yield edible species from an aquaculture and vegetable in hydroponics. The build ratios are 5:1 square foot of grow space for each single US gallon which is 3.8 litres of aquaculture water in the system. One gallon can support between 0.23 kg and 0.45 kg of fish stock depending on filtration and aeration. An ideal temperature is a variable that depends on the species of the fish.

Pros of shrimp in  aquaponics

  • The interpretation of fish and plant requires that no pesticides or other chemicals to be used. It forms a balanced, eloquent organic system.
  • Having shrimp in your aquaponics is one activity worth exploring. You enjoy the great taste and benefits of fresh fish that form natural and very healthy food. This will definitely lower the demand for scarce resources worldwide and regulate the rising cost of food.
  • It is an Eco- friendly method of producing sustainable fish for both domestic and commercial consumption. Aquaponics shrimp works very well especially for those with scarce space.
  • Solid wastes produced get broken down by bacteria worms. They can be used in decomposing since they are organic matter.
  • The system can be started locally therefore reducing long distances in search for food. The system also eradicates the need for tilling or weeding the soil.
  • The system enables the realization of faster growth and better yields with plants naturally fertilized.

Cons of shrimp in aquaponics

  • Due to wastes disposals the system will require periodic replacement of the system hence large amount of water is wasted.
  • There is risk of diseases and monoculture by having shrimp in your aquaponics. Disease risks are very high and may spoil the whole batch. Special measures have to be taken to deal with the issue.

Conclusion

Despite having setbacks in having shrimp in your aquaponics, the idea is more advantageous with overwhelming benefits which should be embraced to realize growth and development.

Watch this video if you are more interested in having shrimps/prawns in your aquaponics system.

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Why use Trout Aquaponics?

 

Aquaponics is basically the combination of aquaculture and hydroponics. It can be done even in your garage with the necessary environment and equipment. Trout is undoubtedly the most widely farmed fish in the world, majorly because it is a prized food fish and is comparatively easier to culture. Trout aquaponics can successfully grow trout fish right in your backyard or garage and isn’t it great to grow your own dinner?

Pro’s of trout in aquaponics: trout in aquaponics system

  • Healthy and tough fish – Low maintenance when it comes to keeping the fish healthy. They are the ones who can pretty much take care of themselves without added help.
  • Fast growing – They grow really fast. How fast? Marketable sized trout can be reached in about 9 months ( ~40 cms). The ‘pan-sized’ ones take about 12-13 months, which is pretty fast compared to other fish. Thus you can grow them fast and start the new cycle really soon as well.
  • Excellent food conversion ratios – Maximum weight of the fish can be safely consumed and is rather delicious. Also, since the diet of trout consists of molluscs, flies and crustaceans which are high in energy, lipids and fish oil (great for cholesterol), it all gets reflected in the nutritional value of the fish itself.
  • Great for cool temperatures – Living in cool temperatures? Don’t you worry,trout is here for you! They prefer water temperatures between 10 to 20 degree celsius.

Are you ready to take on the challenge of aquaponics by yourself? It’s a good practice to educate yourself first with lessons and mistakes people already made before you. Go to this online training course to learn more. 

Con’s of trout in aquaponics:

  • Large area required for their growth – Trout requires fast flow rates to be cultured at high densities and thus if you wish to grow trout, it is better to do so in large systems no more than 0.5kg per 100L of water.
  • High temperatures – Trout has the capacity to withstand temperatures between 0 and 22 degrees celsius. However, optimum growth occurs only between 12 and 16 degree celsius. Water temperatures above 22 degrees makes the digestive system of trout inefficient and most of the feed will end up as waste.
  • Low oxygen levels in the water – If the water has oxygen less than 5.5mg/L. So in case the fish stocking density is too high (usually it is not) then it will be difficult for the fish to thrive as they need high oxygen levels in the water to survive.

Conclusion Lake Trout. Salvelinus namaycush.

All in all it is a great fish to culture. Trout Aquaponics is done at many places all around the world, especially in the cold countries. It is low maintenance, the fish diet is easily available and they grow pretty fast, so not much waiting.

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Best Fish For Aquaponics – Choose The Best Fish

There is no joy like the joy of harvesting fish from your own tank in your backyard. This not only gives the satisfaction of raising your own fish but again being sure that the fish you are eating are clean, healthy and are toxic free source of proteins.

Aquaponics fish tankMany fish can be raised in a closed system and with aquaponics you can keep a very high variety of fish in your tank. It is highly recommended to research what types of fish are best for your local area by weather conditions and legality. Local fish species are easier to get and you won’t need a permit or license to keep these types of fish at home. If you are planning on getting foreign or exotics fish you may have some legal restrictions, and you will need to consult a specialist.

While many types of fish can thrive in a closed systems, some will need special care and some are very easy to maintain. Here are some of the best fish for aquaponics.

Tilapia
Tilapia is a clean and tasteful fish that adapts easily. It is a very tough fish and it will eat any fish food you’ll feed it. The harvest time for tilapia fish is between four to six months depending on the size you want and how warm the water is. To read more about tilapia click here.

Murray Cod
The Murray Cod is a great choice if you planning on stocking many fish in one holding tank. This fish will grow very fast even in a closed environment, if you stocking that type of fish just keep in mind that you have to feed it well and satisfy its appetite otherwise the hunger will take control over your fish tank and the fish will attack each other. This type of fish is recommended for people who have time for the maintenance involved. To read more about Murray Cod click here.

Are you ready to take on the challenge of aquaponics by yourself? It’s a good practice to educate yourself first with lessons and mistakes people already made before you. Go to this online training course to learn more. 

Catfish
Catfish are great for aquaponics system, after adapting to the tanks they will grow fairly quickly, catfish does not thrives in dirty water and clean water in best for it, even though these fish are so adaptable that they known how to survive in a very harsh environmental areas like polluted ponds, so after adaptation these fish will be fine. To read more about catfish click here.

White Bass
The white bass is a one of the best fish for aquaponics. Its an eatable fish and its meat is a favorite to many, usually cooked through smoking the white bass is very easy to catch and should be considered as a fish for aquaponics.

Gold fish
In case you are not planning of eating fish from your tank you can aim toward ornamental fish. Gold fish is a great choice for aquaponics and it is easy to take care of. Goldfish are a very tough species and can live in a high level of water pollution. When it comes to breeding, no fish is easier to breed then the common goldfish. The only thing these fish need in order to breed in tanks is a thin cover of plant life.

Koi Fish
Koi fish are from the carp family but because these types of fish are normally sold as an ornamental fish they are in a different category. Koi fish usually lives in artificial ponds so it is safe to raise them in a tank. You can also mix koi fish with eatable fish just make sure they are not fighting and there is a enough space in the tanks for all of your fish. To read more about koi click here.

Shrimps/Prawns
Having a shrimp aquaponics system is a good idea in raising profit out of fish. It is a gold mine. The small tasty creatures, hands down the number one sea food consumed in the world as the demand continues to grow for the beauties at a low rate. To read more about shrimps/Prawns click here.

Trout
Using trout in your aquaponic system will be great because the grow rate is very good. Trout has a very good temperature range. That’s why it is the perfect fish for indoor and outdoor aquaponics. To read more about trout click here.

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