There are many filter materials for Siraitia grosvenorii, such as filter cotton, biochemical cotton, activated carbon, glass ring, ceramic ring and so on. All these filters can be used for Siraitia grosvenorii, but not all of them need to be used. If the feeding density is normal, only filter cotton, activated carbon and ceramic or glass rings can be selected. Filter cotton can filter out impurities in water, activated carbon can filter out harmful substances in water, and ceramic ring can cultivate and promote the production of nitrifying bacteria. Of course, this is just an example, and it is not necessary to follow this combination. Breeders can also choose biochemical cotton, activated carbon and glass rings.

1. Water lamp: If you want to enhance the ornamental value of Luohan fish, you can install a water lamp in the fish tank. The best color of the lamp is pink, which is beneficial to their hair color and can also increase the ornamental value.

2. Bottom sand: If the filtration system is strong, it is recommended to put a layer of bottom sand. Because the bottom sand can not only enhance the ornamental value, but also stabilize and adjust the water quality. However, the bottom sand is easy to hide bacteria, so it is recommended not to put it without a strong filtration system. Ordinary filtration system can choose to place several volcanic rocks. The color of volcanic rocks can promote the hair color of Siraitia grosvenorii, and also stabilize and adjust the water quality. Volcanic rocks can also be used as toys for Siraitia grosvenorii.