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https://www.senzeal.com/blog/aquarium-fish-keeping-tips-2-b0495.html

Water maintenance

1. The circulating flow of water is an important basis for ensuring good water quality. No matter how good the water is, it will turn into stinky water. Therefore, the circulating water pump must ensure 24 hours of uninterrupted work. In addition, an appropriate amount of "ecological bacteria" developed by our company should be added once a month to maintain the gradually lost ecosystem.
2. The water will evaporate, and the water level of the fish tank will drop after a period of time. At this time, we need to add water to the fish tank. In order to better ensure the quality of the water, it is best to store tap water for more than 3 days (that is, dry water, but not more than 7 days). A small amount of water can also be used directly, but slowly from the filter tank Join.
3. For tropical ornamental fish, according to the habits of tropical fish, the temperature of the water is generally controlled above 20 degrees Celsius. Depending on the type of fish, the adaptive water temperature is different. Most tropical fish except special fish are adapted to this temperature (not cultivated tropical ornamental fish) And aquatic plants do not require control of water temperature).
4. It is best to keep the normal water level of the aquarium on the decorative surface of the top of the tank. This increases the water capacity and oxygen and increases the activity space for the fish. The full tank of water gives people a vision like a real underwater world. Normally, you should add fresh water frequently, and you can't let the water level drop below 3 cm, because adding too much raw water at one time will affect the quality of the water, which will destroy the existing ecosystem and cause adverse factors for fish.

5. While watching and feeding the fish every day, you should also pay attention to the observation of the water level, whether the water in the tank is circulating and the water temperature is normal.
a. When the water level drops (up to 3 cm), new water should be added to the decorative surface on the top of the tank in time.
b. When the water in the tank stops flowing, it should be timely checked whether the submersible pump for circulating water is working properly and whether the power supply and water pipes connected to it are disconnected. If there is a problem, it should be promptly handled and replaced. Bad). If the submersible pump is not replaced in time, the water will stop circulating until the water quality is deteriorated, and the fish will lack oxygen and become ill, which will seriously lead to the death of the fish.
c. If the water temperature in the tank drops sharply, check if the power supply of the automatic thermostat functions normally. You should timely replace the broken automatic thermostat if it’s broken, or the fish will be frozen to death because of the low water temperature.
If you need to withdraw the aquarium thermostat controller, the power should be cut off for 15 minutes before it can be drawn out. If drawn out immediately, the thermostat will burst because of no heat dissipation.
Cleaning and maintaining of physical filtration system

After a long period of use, the filter material will inevitably accumulate some residues on its carrier. Excessive residues will affect the circulation of the water cycle and affect the quality of the water. Therefore, it is recommended to clean it every six months (please wash immediately when the filtered water flow is obviously weak); The water is smooth, strong, and the water is clear, no cleaning is required). The cleaning steps and precautions are as follows:
1. Unplug all the power plugs of the aquarium and disconnect the power supply (it needs to wait 10 minutes for the automatic thermostat to cool down before it can leave the water surface, otherwise the glass tube will burst).
2. Prepare a clean container and take out the filter materials one by one (or hook them out with iron wire) and place them in the container (note the order of taking out).
3. Use the water of your own aquarium (it is not suitable to use tap water, because fresh tap water contains a variety of bactericidal drugs that will kill nitrifying bacteria). Rinse the surface residues and dirt one by one, and do not completely wash them off (the brown-yellow sticky objects above) In fact, it is the nitrifying bacteria that regulate the water quality, and the bacteria that are beneficial to fish and grass are implanted here.) The filter cotton can be properly twisted by hand to enhance its water permeability. Remove the filter cover of the submersible pump and wash it. It is strictly prohibited. Wash with chemical detergent.
4. Put the cleaned objects into the tank one by one in reverse order (submersible pumps and automatic thermostats must be placed in the bottom of the water, otherwise the submersible pumps will burn out and the thermostats will burst), then plug in the electric source to check the submersible pumps. And the automatic constant temperature rod works normally and the water circulation is good.
5. It is recommended to replace the aging filter material (phased replacement) and water grass tube after one year (the aging filter material and water grass tube can no longer produce the proper effect).
Light in the aquarium

We know that all things depend on the sun, as do the fish and grass in the water. They also need appropriate aquarium lamp to satisfy their survival and growth. Therefore, the scientific use of light time is not only convenient for us to watch, but also helps the growth of fish and water plants. Generally, turning on the lights for 5-8 hours (at least 3 hours) every day can meet the needs of fish and waterweeds. Excessive lighting will breed algae and waste electricity.
Cleaning in the aquarium

After using the aquarium for a long time, the algae (moss) will grow on the inner wall and the bottom of the tank. The aquarium cannot be placed in direct sunlight, because the sunlight can accelerate the growth of algae. Water quality and beauty. Therefore, in addition to eating part of the scavenger (a type of tropical fish), we still need fish aquarium cleaning tools to clean it manually.
1. A strong magnetic brush dedicated to the aquarium can be used to scrub the inner wall to achieve a satisfactory result.
2.The special sand washer for the aquarium rinses the bottom sand and sucks out the accumulated nitrifying bacteria for a long time, which cannot nitrify the dirt.