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The bottom sand of the ecological fish tank is the key to good aquatic plants. At the same time, it also affects the landscaping effect of the entire product. In addition, the bottom sand can also control the pH of the water. So what kind of sand is better for fish tank landscaping? If you want to understand this problem, you should first understand the types of common bottom sand in fish tank landscaping. Let's take a look below.
The classification of bottom sand
The so-called bottom sand generally refers to any cultivation medium spread on the bottom of the tank. It is not limited to silica sand, but it is still mainly silica sand. The bottom sand should be conditional, including moderate size, stable physical and chemical properties, and the inability to dissolve or hydrolyze harmful or undesired ingredients during use. All base sands that meet these basic conditions are It can be called "suitable bottom sand", otherwise it should not be used as bottom sand. For example, coral sand is not suitable for use as base sand. Because in acidic water, it will continuously dissolve calcium ions, which will greatly increase the hardness, or in water containing carbon dioxide, a hydrolysis response will occur, and at the same time, the hardness, pH, and KH values will increase, which may cause adverse effects or impacts on the water quality.
1. Coral sand is a piece of coral or shell, which has the characteristics of continuous release of calcium carbonate and can keep the pH of the water in an alkaline state. Suitable for marine fish, invertebrate marine life, fish and crustaceans from the cichlid river waters of the three Great Lakes regions of East Africa
2. Silica sand is mostly imported from the United States and the Netherlands, and its state in water is very stable, and its fine particles are of great ornamental value. (Suitable for fish species in soft water, such as river cichlids, small lampfish and ratfish, and suitable for aquatic plants)
3. Yilan sand is more beautiful because it has black and white colors, but the particles are uneven, and it is rarely used in ecological tanks. Aquarium for medium and large fingerlings.
4. The sunken wood is imported from Africa, the Netherlands, or Southeast Asia, each with a different style, but it must be determined whether it can sink into the water before use. It is advisable to soak in advance to remove color. Mostly used in acidic soft water landscaping tanks, and can become a place for some small fish to hide.
5.There are many types of rock fragments, and magpies have great ornamental value, such as black shale or silicified wood, but it should be washed more to remove debris before use. Consider whether it will affect water quality before use, and some will become spawning beds for platform spawning fingerlings.
The precautions for the bottom sand of the aquarium
1. The sand at the bottom of the aquarium should not be too thick. It is better to choose slightly finer sand. But it should not be too fine, too fine sand can easily cause the bottom of the aquarium to be blocked. Judging from experience, the diameter of the bottom sand must be at least 1 cm, so that it will not tolerate blockage.
2. For aquariums without a heating system, a mixture of silica sand and Duplarit base fertilizer is generally used as the bottom layer, and two-thirds of the washed silica sand is 1 to 2 cm in diameter and the entire bottom is 2 to 3 cm in height. The height or thickness of the bottom layer needs to be limited to ensure limited and necessary water flow and alternation.
3. For an aquarium with a heating system, the height of the bottom layer can reach 3-5 cm, and the bottom sand can also choose 1-2 cm stones. Of course, it must be cleaned before putting it in the aquarium.
The selection of bottom sand for aquarium landscaping should be suitable for the type of ornamental fish. There are many types of bottom sand. Not every type is suitable for the ornamental fish in the home. Farmers should pay special attention to this.
The role of aquarium bottom sand
1. Water plants can be planted directly on the bottom sand, and thick bottom sand can prevent water grass from floating. The bottom sand is laid on the bottom layer of the fish tank, which will not occupy the place where the fish move.
2. The bottom sand in the fish tank is also a living place for beneficial bacteria, which is undoubtedly very beneficial to the growth of fish.
3. The bottom sand can absorb harmful gases in the water, purify the water environment in the fish tank, and provide a healthy and non-toxic water environment for the fish, which is also very beneficial to the growth of the fish.
4. The moment marks the water environment in the fish tank. When the bottom sand starts to turn black or the sand grains are covered with a layer of moss, it is a warning to the breeder that the fish tank should be cleaned and water changed.
5. It can adhere to the dirt in the fish tank, the bottom sand is the fish to distinguish the gathering place. At the same time, the bottom sand can firmly adhere to these pollutants, which can prevent the fish from stirring up the dirt and affecting the water quality.
6. Selecting the shiny bottom sand can also beautify the entire fish tank environment and increase the appreciation value of the fish tank.
You can choose the appropriate bottom sand according to the color tone of the entire fish tank and the type of fish.

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