1, when we use fish tanks to raise fish, we usually choose larger fish tanks. We can choose this thickened and extended version of the fish tank, as shown in the figure below.

2. When we choose a fish tank to raise water, we usually put an oxygen pump in the bathtub and turn on the fluorescent lamp, which can better play the role of raising fish.

3. When raising water in the fish tank, we'd better put pebbles and some aquatic plants that fish like to eat in advance, so as to better adapt to the water quality.

When we raise fish in a fish tank, we should pay attention to the water that must be taken out of the tap water pipe and exposed to the sun for three days.