Many fish breeders will place some bottom sand in the fish tank, which is not only beautiful, but also can improve the state of stable water quality, which is conducive to the decomposition of fish waste and the cleaning of water quality. Although there are many functions and benefits of placing bottom sand, it is troublesome to clean up, especially for novice fish farmers. Let’s talk about the sand cleaning at the bottom of the fish tank today. Speaking of the benefits of fish tank bottom sand, there are many. The most obvious thing is that you can plant some water plants to beautify the environment, which will not occupy the activity area of many fish, making the environment in the fish tank more natural. In addition, it can be used as a filtration system to provide a place for beneficial bacteria to live, meet the needs of filtration, and can also be used to tickle fish and remind fish tanks to change water. The bottom sand can also be used to absorb the harmful gas in the fish tank, which is beneficial to the respiratory health of fish. The most commonly used method for cleaning the bottom sand of the fish tank is to clean it with a siphon, but this method is only applicable to the time when the bottom sand pollution is not very serious. When the bottom sand pollution is serious, it is necessary to pour out all the bottom sand for cleaning. The fish tank should also be disinfected and cleaned and replaced with clean water. Secondly, you can also put scavenger fish in the fish tank to clean, because scavenger fish is an omnivorous fish, which eats almost everything except fish stool. In addition, the bottom sand cleaning can also be disinfected and cleaned with potassium permanganate. Lay potassium permanganate on the bottom of the fish tank and slowly add water along the wall of the fish tank. After adding the water, turn on the filter system of the fish tank and clean it later. In addition, you can buy a special water and sand washer to clean, and the effect is good.   If you want to clean up the bottom sand without so much trouble, you should pay attention to reasonable feeding during daily feeding, try not to cause the accumulation of food in the fish tank, and establish a good filtration system to clean up the garbage in the fish tank regularly, so that the bottom sand will not be so easy to be contaminated. Have you learned these bottom sand cleaning methods?