How often does the bottom filter fish tank change water? What are the benefits of changing water?

The water changing cycle of bottom filter fish tank is not fixed, some need to be changed twice a week, and some only need to be changed once a month.

The water change cycle still depends on the maintenance of water quality. If the water quality is good, it doesn't need to be changed too frequently, but if the water quality is bad, it needs to be changed more frequently.

However, either way, don't change the water too often. The new water will stimulate the fish and other creatures in the aquarium, thus affecting their growth.

1. How often does the bottom filter fish tank change? The water changing cycle of bottom filter fish tank is not fixed, some need to be changed twice a week, and some need to be changed once a month.

The water change cycle still depends on the maintenance of water quality. If the water quality is good, it doesn't need to be changed too frequently, but if the water quality is bad, it needs to be changed more frequently.

However, either way, don't change the water too often. The new water will stimulate the fish and other creatures in the aquarium, thus affecting their growth.

Second, what are the benefits of changing water 1, maintaining water quality: the primary benefit of changing water is to maintain water quality.

Long-term failure to change water will lead to water quality aging, increase ammonia nitrogen content and make fish easy to be poisoned.

According to the maintenance of water quality, water should be changed every few days to weeks, and it can be changed by about a quarter at a time.

2. Improve dissolved oxygen: The level of dissolved oxygen is very important for fish to breathe. If there is no additional oxygen-increasing equipment, it is necessary to change the water to increase the oxygen content in the water.

It should be noted that this improved method has little effect, and there is no problem in raising small fish, so big fish is not enough, and oxygen pump is still needed to supplement it.

3. Prevention of diseases: Changing water frequently can also prevent the occurrence of diseases.

By changing water, the content of harmful bacteria in water can be reduced, thus preventing fish from getting sick. However, changing the water too frequently will also cause irritation to the fish, and if there is a stress reaction, it is often unfavorable.