the old jar and re-open the jar, first of all, disinfect it. The method of disinfection is very simple, that is, to soak the inner wall of the fish tank with disinfectant mixed with water, the most commonly used is potassium permanganate, and chlorine dioxide can also be chosen. It is usually necessary to inject water first, then pour in the medicine, soak it for 3-4 hours, empty the water inside, and rinse it several times to avoid drug residues.
opening the tank. Because most of the water used is tap water, it is necessary to put it in the sun for a few days. The purpose of doing so is to remove the residual chlorine in the water body, so as to avoid adverse effects on the health of fish. Generally, one day in summer is enough, two days in spring and autumn, and more than three days in winter.
and water is to cultivate bacteria. Because the healthy growth of fish can not be separated from the beneficial bacteria in the water, the most important of which is nitrifying bacteria. When the excrement in the water is decomposed, the content of ammonia nitrogen in the water will increase, which will cause toxicity to fish, and the role of nitrifying bacteria is to convert it into nitrate. Bacteria culture is generally carried out at intervals, and the materials for bacteria culture are poured into a bacteria box or a fish tank. When the
