You can put stones in the fish tank. As long as you disinfect and clean it, it will not cause any harm to the fish. But if it is some colored stone, they are dyed out, and the dye contains toxicity, in the water will slowly release, this will lead to the death of fish, so do not put this stone into the fish tank, generally the bottom of the sand can be.
1. Water purification: The biggest advantage of putting stones in the fish tank is water purification. The suspended particles in the water will slowly fall under the stones. In this way, the overall water quality will become clear. It is not only conducive to viewing, but also very helpful to the health of the fish. And some stones also have adsorption capacity, which can adsorb some impurities.
2. Culture: Many beneficial bacteria in the fish tank, such as nitrifying bacteria, must be attached to something to grow, and stones can provide them with a certain growth environment. When you see a white bacterial film on the stone, it means that the nitrification system has been established, which is particularly critical for the circulation of water.
3. Beauty: In order to make the fish tank more beautiful, in addition to relying on the fish, you should also consider all kinds of scenery. The pebbles laid on the bottom of the water are very beautiful, and it is also convenient to plant some water plants and so on, so that the inside of the fish tank looks more ornamental.
