Wednesday, November 14, 2012

Fish And Aquaponics

By David Springall


If you have been seeking information on adding fish into a new aquaponic system, then below are a few tips to help you get started.

A successful system is dependent on three main things: fish, bacteria, and plants. Without fish, your organic vegetables will die. And without the plants, the fish would die off quickly due to water becoming toxic with nitrates, ammonia, and other waste products.

Without bacteria, the plants cannot absorb vital nitrates needed from the water which makes each component dependent to the system. Remove one component, and the whole system will fall apart.

A lot of people breed bass in their backyards but i recommend that you start with tilapia because this fish grows very quickly and are one of the hardiest edible fish around.

How many fish can i raise in a holding tank? First it really depends on how much space you have and the type of filtration system you've installed in your tank. For Small-scale producers a rule of thumb is half a pound of fish for every one gallon of water in their tank.

The number of fish will have a bearing on how much vegetation your system can support. Three main factors come into play when determining how much vegetation your fish can support (indirectly):

1/ How much fish you have in your tank

2/ Weight, maturation, and size of fish

3/ The amount of food being added to the holding tank on a daily basis

A small raft setup (elevated growing beds), of one square meter growing vegetation would need sixty grams of fish food daily.

Demanding vegetables such as squash, use at least one hundred grams of fish food every day. It is very important to remember that your plants will be completely dependent on the waste products of the fish and the excess fish food in the water.




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