There are good and bad stones in the fish tank. The advantage is that they can play a decorative role, and at the same time, they can purify the water quality, because some stones can adsorb impurities in the water, and can allow nitrifying bacteria to attach.The disadvantage is that the stone itself has a certain gap, so the residual bait that can not be eaten at ordinary times and the feces discharged by the fish will fall into it, so if not cleaned up in time, the water in the tank will be polluted, affecting the health of the fish.
1. No edges and corners: The most important requirement for the stones in the fish tank is smoothness. Never have edges and corners. Although all kinds of strange-shaped stones look more beautiful, once they rub against the fish, they may cause scales to fall off, or even get injured. After injury, it is easy to be invaded by pathogens and parasites, which lead to its illness.
2. Disinfection and cleaning: Before putting the stone into the fish tank, be sure to disinfect and clean it first, because there may be some soil in the stone, or even hidden harmful bacteria. After soaking it in potassium permanganate for a period of time, rinse it several times with clean water, so as to ensure its safety and not to bring harmful substances into the tank.
3. Type selection: Usually, the stones placed in the fish tank are pebbles. Some people also use medical stone. Although it has a certain adsorption effect, it will be saturated, which is to release harmful substances.In addition, if it is to raise fish like acidic environment, it is best not to use coral stone, it will change the pH of the water.
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