The methods to improve the water quality for goldfish mainly include the following aspects:
Use a Filter: A filter is an important tool for maintaining clean water quality as it can filter out impurities and waste in the water. When choosing a filter, you need to select an appropriate model according to the size of the aquarium and the number of fish. Install it correctly following the instructions and replace the filter materials regularly.
Change Water Regularly: Regular water changes are crucial for keeping the water clean. It is recommended to change a portion of the water, such as 20% - 30%, every week. Also, pay attention to the balance of water temperature and water quality. You can use a water conditioner to adjust the water quality.
Control the Amount of Feed: Overfeeding goldfish can lead to poor water quality. It is advisable to feed the goldfish twice a day, with each feeding lasting no more than 5 minutes to control their food intake.
Test the Water Quality: Regularly use water quality testing tools to check indicators such as ammonia, nitrate, and hardness in the water to ensure that the water quality meets the growth requirements of goldfish.
Avoid Over - Stirring the Water: Stirring the water can cause the oxygen in the water to disappear, resulting in a decline in water quality. You can install an air pump to increase the oxygen content in the water.
Handle Turbid Water Quality: If you encounter turbid water quality, you can first aerate the fish tank, change a part of the water (about one - third to one - half), keep the filtration system running, and the water quality will gradually improve in a few days.
By using the above methods, you can effectively improve the water quality for goldfish and ensure their health and growth.