“The trade of fish native case of thieves. And therefore, the salary for them to put miserable, but to hang one in the year that others do not want.”
An artificial pond for breeding fish.
However, the creation of artificial water bodies (ponds) for breeding fish in home gardens has become a very popular hobby in recent years, and our firm is very actively developing this area of its activities, with qualified specialists in this field.
The pond, unlike lake is a water body of artificial origin.
The types of ponds can be divided into flowing and isolated, which in turn conventionally divided into fishing and no fish, but aquatic vegetation (the already and the other is pools). Continue reading
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The first two weeks in the system was the rapid development of heterotrophic bacteria feeding on organic waste products of marine fishes . The result is what appear in water ammonia and ammonium, whose concentration quickly reaches a maximum. It is very unpleasant, but a natural phenomenon is called and can be detrimental to aquatic life. That’s why, to avoid the risk, tender fish species inhabit the aquarium only after a month or two after system startup of the biofilter. As nutrients in the form of ammonium in the substrate begin to develop nitrifying bacteria converts it into significantly less toxic nitrites.
At the third or fourth week, the concentration of nitrites reaches a maximum, which also, despite the decrease in ammonium concentration, it is dangerous to aquarium inhabitants. In turn, the bacteria of another species, consuming nitrites, gradually reduce their concentration, and biofilter begins to work normally. It must comply with one prerequisite – oxygen mode: the oxygen content of the water should be close to saturation. This is achieved by use of active aeration. Continue reading