Fisher~fish~water swimming~~~ If you also want to have a romantic date with the fish at home, the owner must first help the fish choose a suitable home – a fish tank. It's just that there are big and small fish tanks on the market. What kind of fish tank should I choose?

When many novice first step into the water circle, considering the economic foundation and space size, they usually buy small tanks for feeding, but they can There are very few people who can guarantee that the fish in small tanks can be raised for a long time and kept stable. What's the problem?

The disadvantage of small tank fish farming suffocating confinement room

Some small tanks are so small that they even have a heater If you can't put it in, without the heater, that little change in temperature difference is very likely to make the fish in the whole tank say goodbye. This is a serious matter, you know?

The capacity of a small tank is small, and it can hold not many fish. Each fish has its own growth space. If the size of the fish tank is too small, The fish in the tank are too dense, and it is easy for the fish to feel the pressure of being locked in the confinement room. As a result, the health of the fish will be in trouble. Just think about it: even humans can't stay in a small space for long, let alone more delicate fish?

Even in a large tank, if the owner does not control the fish well Density, when there are too many fish, it will also make the fish feel suffocated in a small tank.

Disadvantages of Small Tank Fish Farming Uncontrolled Filtration System

Small tanks have less water and have limited buffer capacity for pollutants, which can easily affect water quality and The stability of the filter system. On the market, there are very few filtration equipment for small tanks to choose from. The popular filtration equipment for small tanks is external filtration or pneumatic biochemical cotton filtration, and external filtration is the most purchased by small tank owners. filter equipment. External filtration is the aeration after the water enters the filter, and the internal water flow is turbulent and changeable, which is not easy to cultivate nitrifying bacteria. Some owners have improved the shortcomings of external filtration and will use full-plug wool to solve the problem of turbulent water flow; but just using external filtration cannot withstand higher-density fish farming.

Expert advice:

If the owner only uses an externally filtered fish tank, he must maintain a water volume of 1.5 liters and keep only 1 cm of fish.