In the process of fish farming, the selection of filter media should be a concern for aquarists. Which brand is good? Which filter is durable? What type of filter is suitable for what type of filter? These problems may have plagued the fishermen to a certain extent. Today, I will tell you about the choice of filter media.
How to choose the right filter material, we may wish to analyze from the following points
- Why use filter media? What is the use of the filter material?
The purpose of using the filter material is actually very simple, in order to cultivate nitrifying bacteria. Although the variety of filter materials on the market is now varied, most of them cannot escape this effect. Some novice friends may mistakenly believe that the filter material has the effect of purifying water and maintaining water quality. However, it is the nitrification system that pursues the root cause of real water purification and water quality. Of course, some filter materials such as soft water resin and activated carbon can exert soft water and adsorb pigments to a certain extent in addition to the cultivation of nitrifying bacteria.
- Why is it necessary to cultivate nitrifying bacteria and nitrifying bacteria?
The importance of nitrifying bacteria to the entire filtration system is self-evident. In the entire filtration system, except for white cotton, rattan cotton, etc. to achieve physical filtration, most of the other filtration space is used to fill the filter material. The purpose is to cultivate more nitrifying bacteria, because the more the population of nitrifying bacteria, the stronger the ability to decompose toxic substances such as ammonia and nitrous acid in water, and the more beneficial the survival of fish. and so. From this point, it is not difficult to see the importance of the filter material in the entire filtration system.
- What are the culture abilities of nitrifying bacteria related to the characteristics of the filter media?
The effect of nitrifying bacteria culture can be roughly divided into three factors. The first one is oxygen. Because nitrifying bacteria are autotrophic bacteria, oxygen is one of the indispensable factors for survival and reproduction, so it is an important factor to distinguish the quality of fish tanks. It is the oxygen content. The second is the water flow, which can bring food (nitrifying substances such as ammonia and nitrite) to the nitrifying bacteria to promote its survival and reproduction. If the water flow can evenly filter the filter material, the filter material can be fully utilized, so the filter material is Placement is also a matter of learning. Properly placed filter media can greatly enhance the biochemical filtration of the filtration system. Finally, it is also the most important point. The number of nitrifying bacteria is proportional to the surface area of the filter. The larger the total surface area of the filter material, the more space the nitrifying bacteria can survive and reproduce, and the more the population of nitrifying bacteria can be cultured. Therefore, from this point we can sum up the basis for distinguishing the quality of the filter material, that is, the surface area of the filter material.