1. How to clean up fish excrement in fish tanks with aquatic plants Some black-shell shrimps can be raised in fish tanks with aquatic plants to clean up fish excrement. Black-shell shrimp is a kind of tool shrimp, which can be seen in many grass tanks. Instead of destroying aquatic plants, they can clean up algae and some residual bait, thus playing a role in purifying water quality. It should be noted that if you raise black-shell shrimp, you can't raise fish that are too big, otherwise they will eat shrimp as food. In addition, it is not necessary to clean up fish excrement and let it decompose naturally, which is not a big problem.
2. What is the way to reduce fish excrement in grass tanks1. Less fish farming: If you want to reduce fish excrement, you can start from the source, that is, less fish farming. The breeding density is high, the number of fish raised is large, and the natural fish excrement is also large, so the water quality is not easy to maintain, and it is also very unfavorable to the health of fish. Usually, one centimeter of fish is raised with one liter of water. If you are a novice, you can raise one centimeter of fish with two liters of water.
2. Feeding less: Besides raising less fish, feeding less is also crucial. If you feed more fish at ordinary times, you will naturally discharge more feces. Usually, it is enough to feed the fish three times a day, and each feeding should ensure that the fish can be eaten within 3-5 minutes, so that the fish can grow healthily, and at the same time, it is not easy to get enteritis and other diseases.
3. Change water frequently: During daily feeding, fish excrement can also be reduced by changing water. Usually, it should be changed every five to seven days, and only a quarter of the water can be changed every time. In addition, when changing water, you need to pump water first. Pumping water can start from the bottom of the fish tank, which can also reduce fish excrement.
