The construction sand can not be put in the fish tank. Generally, the sand used in construction belongs to yellow sand, which is difficult to wash clean. If it is put into water, it will cause the water to become turbid. If the filtering effect is not good, it is difficult to improve it. Moreover, yellow sand can also lead to the accumulation of harmful substances in the water, which will affect the health of fish. Usually, there are three kinds of bottom sand for fish tanks, namely, ceramsite, rain forest sand and cosmetic sand.
should be laid at the bottom of the fish tank? 1. Ceramsite: Ceramsite is the most common kind of bottom sand. Its color is dark, which can adjust the hardness of the water body. At the same time, it can also plant aquatic plants, but its nutrients are not as good as aquatic plant mud. This kind of sand is more suitable for raising small fish such as guppies or miniature parrots, and it is not easy to muddy the water.
2. Rainforest sand: Rainforest sand is also called tropical rainforest sand, which is suitable for fish in tropical rainforest waters. Therefore, it is generally only used when raising South American series. For example, this kind of sand is relatively small, so the excrement will be more obvious on it, and it is easier to clean up.
3, makeup sand: makeup sand and the above two different, its color is very white, so what dirty things can be seen at a glance, if not cleaned for a long time will greatly affect the ornamental, not suitable for lazy people to use. It is generally used to match the three lakes cichlid, and it is also suitable to be placed in the grass tank.