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Sandstone for aquarium

maintenance, care, compatibility

Stone decorations are the perfect complement to your home aquascape. The main condition is that they should not change the chemical composition of water, which can affect the health of fish, plants and other animals.

Stones for an aquarium help to create a natural biotope: African and South American freshwater fish are used to the rocky bottom. A prerequisite for an aquarium stone is its smoothness, hardness and durable structure.

Smooth and flat stones in an aquarium are necessary if cichlids live in it. They serve as nests for future eggs.


What stones can I use? Answer: those that are characterized by a uniform structure and smooth color.

Bright paint can wash off, dissolve in water or partially paint it. Impurities and minerals contained in it are not suitable for the reservoir, where living creatures constantly live. A smooth, treated surface does not harm the fish.

If you do not specialize in geology, do not understand the rocks, then you have the opportunity to buy artificial stones for an aquarium in a pet store.

Stones purchased in specialized retail chains are often safe, suitable for any type of tank. But they are much more expensive, and the choice is not very large.

Slate and tuff are most commonly found on the shelves, although not all types of slate are acceptable. Before you start decorating the aquarium with stones, you need to know what their features are.

See how to choose stones for the aquarium.

Natural rock with through holes resembling caves. Due to its special structure, it can be used in water with a high level of hardness, rich in trace elements.

The lack of cavernous sandstone – fragility, over time it crumbles easily, forming a pile of garbage at the bottom of the tank.

Hard and durable sandstone can be used in an aquarium, however, a rock with a fine-grained structure cannot be placed there. After some time, the chemical composition of water will change, harming the fish and plants.

By mineral composition is classified as debris.

Before getting to the aquarium, the stones must undergo a primary inspection, at which they pay attention to the following aspects:

  1. Effect on water: stones should not dissolve in water and change its hardness or acidity.
  2. On color (color and shades of inclusions and streaks): it is known that light stones will look bad in an aquarium, but dark ones – on the contrary, it is very advantageous.
  3. On the texture or features of the external structure and surface (irregularities, veins, hollows). The most interesting stones of complex, intricate shapes.
  4. Safety – the absence of sharp corners and edges, which can be injured fish.

The term living stones is familiar to experienced aquarium breeders rather than to newcomers in this business. The fact is that they are used mainly in marine domestic water bodies, the design of which requires some experience and knowledge.

One of the varieties of natural natural stones are the so-called living stones. These are pieces of coral that are found or broken on reefs. They are transported in a moist state, so that the algae, animals and microorganisms that live on their surface or in the pores and holes, remain alive.

Live Rock is not only a special kind of scenery, but also an important element of the life support system in saltwater aquariums.

Stones play a supporting role in an aquarium, are a background for living beings and emphasize the nature of the landscape. Their use should be moderate and unobtrusive.

Knowledge of the types of stones and their features will help to choose the best set for each case.

There are the following types:

  • Artificial. They are on sale in zoo or online stores. The easiest option, but requiring cash investments. The most expensive multi-colored glass pebbles. Beautiful specimens are quite expensive. Choose better approximate in appearance to natural, so that the aquarium does not look tasteless.
  • Processed natural origin. Available in specialty stores. Stones can be tinted or glued together in a composition (grottoes, rocks, etc.).
  • Natural natural. Stones taken directly from nature. You should be careful when choosing them, since not all are suitable for an aquarium. Careful preliminary preparation will be required not to bring an infection.

For the life and development of organisms inhabiting the LCD, to perform high-quality filtration and maintain a normal biocycle, it will be necessary to observe a number of conditions:

  1. Provide a current that will wash the stones well. In stagnant water, microorganisms experience oxygen starvation and die.
  2. Correctly pick the number of stones. They should be 15-20 percent of the total volume of stones (or 1 kg per 5-10 liters of water).
  3. Bookmark stones in the aquarium do not at one time, but in batches. At the same time, observe their adaptation and remove dead organisms in time.
  4. Place the stones on the bottom so that the circulation of water is not hampered, otherwise algae will begin to grow on them.

If live stones are used correctly, the following results will be seen in the aquarium:

  • the launch of a bio-purification system will be accelerated and facilitated;
  • the immunity of fish will increase, their coloring will improve;
  • the number of diseases and their severity will decrease, the death rate will be less;
  • hydrochemical regime of the aquarium will acquire stability;
  • improved decoration of the aquarium.

So, if you plan to do marine aquaristics, and you are given the opportunity (especially financial), then get live stones. They will not only be a worthy decoration of your reservoir, but also help to create and maintain a balance in it, so necessary for the life and health of all its inhabitants.

And finally, an interesting video on the decoration of the aquarium with decorative stones and aquatic vegetation:

Sedimentary rock. It is formed by cementing sand with clay. There are a lot of its shapes and colors.

Not all varieties can be used, as there are very soft and fragile ones. Sandstone can increase the hardness and acidity of water, therefore it is not suitable for all fish.

Stones for the aquarium species description of the photo design design video.

The main functions of aquarium stones are as follows:

  • decoration of the aquarium;
  • imitation of natural habitat;
  • serve as shelters;
  • during spawning, it is necessary to build a nest and lay eggs;
  • regulate the level of water hardness.

Before you place a stone in an aquarium, you must prepare it. This applies not only to the stones found in nature, but also to the store.

Preparation of store stones. Even if it seems to you that the purchased stone is clean, do not rush to put it in the aquarium. Sometimes, on such seemingly clean stones, there is a lot of dirt.

Take a stiff brush and clean the stone under running water. Do not use chemicals.

Preparation of stones found in nature. First, clean the stone from dirt, moss, grass, etc. Pay special attention to cracks and holes.

Then, treat the stone with a stiff brush under tap water. Next, the stone must undergo heat treatment. To do this, place it in a container with water and put it on fire.

Keep the stone in boiling water for an hour. This time will be quite enough to get rid of all possible parasites, bacteria, microorganisms, as well as insect larvae and other inhabitants. Instead, you can dry the stone, but it will take 1-2 weeks.

After treatment with boiling water, the stone must be removed and cooled. Now the stone is ready, it can be installed in the aquarium.

Tips for choosing stones:
• Do not collect stones in the area where there are mines or quarries and metal or mineral ores are mined. If there are quarries somewhere nearby, in which stones are mined used in construction or for the manufacture of tombstones and statues, This is a good sign, since such stones must necessarily have a uniform structure and do not contain inclusions of foreign minerals that may be toxic.

However, this does not exclude their effect on water hardness and pH. Valuable information about rocks can sometimes be provided by workers in quarries.
Avoid areas where stones may be contaminated, such as pesticides or radioactivity.
• Do not take stones with metallic streaks or rust-colored layers, or stones containing colored crystals. However, if you see white or transparent crystals or streaks, it is most likely quartz, it is safe.
• Do not use soft or crumbling stones (with the exception of calcareous tuff – in alkaline aquariums).
• Do not forget that matte grayish-white stones are most likely limestone, and stones, in color and structure resembling sand, are likely sandstone.
• Look for stones with a uniform color, evenly spaced specks and a uniform structure.
• Among stones polished with water, choose those with a uniform surface and no holes or cracks.
• Remember that fossil-containing stones are usually limestone.
• Avoid brightly colored stones (if you are not sure that they are safe), because this color may be characteristic of some unwanted minerals.
• Do not take stones from the walls and do not spoil the environment in any one place. If possible, ask permission to collect stones and try not to leave any signs of their activities.

If possible, leave the rural landscape untouched. In general, it can be said that the simpler the stones look and the less interesting they look, the more likely they are safe in terms of toxicity, although they can still affect the chemical composition of the water.

This can be verified using the “acid dough”, which was discussed above in the section on materials for soil.
And one more note: You should not refuse to decorate the aquarium with stones just because their acquisition requires some effort. As soon as you have suitable and safe stones, they will never collapse or wear out completely and become a long-term valuable acquisition for your hobby.

If you do not feel sufficient confidence in your abilities and knowledge to independently collect and test natural stones, it is better to contact pet stores. Some stores sell artificial stones, including the so-called lava, which is not a real volcanic lava at all.

Some artificial stones are surprisingly similar to real ones, although the range of their sizes and shapes is rather limited and they are quite expensive. But they, like the real ones, will serve you all your life.

Granite. This breed has a volcanic origin, is environmentally friendly. The colors of granite are gray, black or white.

Sometimes you can find orange copies. The advantage of granite is its neutrality.

It does not change the hardness and acidity of water.

The disadvantages include weight – small pieces weigh a lot, so, choosing granite, carefully study the strength of the glass of the aquarium. What are some decorative stones for an aquarium? In fact, you can use a wide range of breeds. Some are suitable for all containers, others only for certain types.

Among the most popular are granite, gneiss, sandstone, Kenyan stone.

  • Gneiss. This stone also belongs to volcanic rocks, similar in composition to granite. It is neutral and safe for fish and plants. The main advantage of gneiss and its difference from granite is coloring. It is characterized by the presence of light and dark horizontal stripes, which makes it an ideal material for decorating an aquarium with which you can come up with the most intricate design.
  • Sandstone. Sandstone is a common sedimentary rock, characterized by a characteristic layered structure. Sandstone is formed by mixing clay and sand. The stone may have a different chemical composition depending on the sand. It should be used carefully: sandstone can increase the hardness of the water and affect its composition. Sometimes the stones are crumbly and fragile, and are not suitable for aquariums. Sandstone has different colors, can be found as white or light gray, and cream, brown, red and even green and blue, allowing you to develop a unique design. The shape of the stone can vary, for example, cavernous sandstone is a rough or smooth stone with numerous holes.
  • Kenyan stone, or Kenya. Stone Kenya belongs to the sedimentary rocks and is one of the most beautiful species, allowing you to create a unique design in the aquarium. It has a porous structure and irregular shape. Kenyan stone is formed by mixing limestone, calcite, sometimes in some specimens you can see shell prints. The structure has determined the chemical composition, therefore Kenya is suitable only for aquariums with a high alkaline composition and hardness, and it is unacceptable to decorate them with soft water.

What are decorative stones for an aquarium? In fact, you can use a wide range of breeds.

Some are suitable for all containers, others only for certain types. Among the most popular are granite, gneiss, sandstone, Kenyan stone.

  • Granite. This breed has a volcanic origin, is environmentally friendly. The colors of granite are gray, black or white. Sometimes you can find orange copies. The advantage of granite is its neutrality. It does not change the hardness and acidity of water. The disadvantages include weight – small pieces weigh a lot, therefore, stopping your choice on granite, carefully study the strength of the glass aquarium.
  • Gneiss. This stone also belongs to volcanic rocks, similar in composition to granite. It is neutral and safe for fish and plants. The main advantage of gneiss and its difference from granite is coloring. It is characterized by the presence of light and dark horizontal stripes, which makes it an ideal material for decorating an aquarium with which you can come up with the most intricate design.
  • Sandstone. Sandstone is a common sedimentary rock, characterized by a characteristic layered structure. Sandstone is formed by mixing clay and sand. The stone may have a different chemical composition depending on the sand. It should be used carefully: sandstone can increase the hardness of the water and affect its composition. Sometimes the stones are crumbly and fragile, and are not suitable for aquariums.

Sandstone has different colors, can be found as white or light gray, and cream, brown, red and even green and blue, allowing you to develop a unique design. The shape of the stone can vary, for example, cavernous sandstone is a rough or smooth stone with numerous holes.

  • Kenyan stone, or Kenya. Stone Kenya belongs to the sedimentary rocks and is one of the most beautiful species, allowing you to create a unique design in the aquarium. It has a porous structure and irregular shape. Kenyan stone is formed by mixing limestone, calcite, sometimes in some specimens you can see shell prints. The structure determined the peculiarity of the chemical composition; therefore, Kenya is suitable only for aquariums with a high alkaline composition and rigidity, and design of soft water tanks is unacceptable.
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