Diagnosis of diseases of aquarium fish
How do you know that fish is sick? Regularly observe Your fish, learn their normal state. If You do not know what is normal, You will not be able to…

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Aquarium fish catfish
Catfish belong to the genus of fish of the family of Armored catfishes. Mainly representatives of the genus catfish are small – from 3 to 8 cm in length. Their…

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The bottom of the ocean or on the seabed. Underwater world and the inhabitants of the seabed.
At the bottom of the ocean, at three kilometer depth the pressure at three hundred times more than the top. Marine snow need many months to sink to the seabed…

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Types of aquariums

Frameless aquariums are made of sheets of silicate or organic glass (plexiglass, acrylic glass). Their advantages: transparency, reliability and strength.

Frame aquariums are manufactured using a metal frame. The advantage is that this type of aquarium is not limited by size. Disadvantages: aquariums become unfit for use, during long periods of storage without water, as the putty crack and destroyed, besides the substances belonging to putty, can affect the composition of water.

Seamless aquariums can be produced from pregasina. Quite common round glass aquariums, which are often used for breeding of goldfish. Round aquariums and aquariums with curved walls since 2006, banned in some parts of Italy.

The water

Pseudo-sea . Aquariums of this type, as a rule, do not contain plants, are a large number of stones, reminiscent of coral, the hardness of water, usually quite high — up to 20°. For lighting used lamps, which give a cool bluish tint. Usually this aquarium is inhabited by cichlids of the African lakes.

Dutch . The main inhabitants of the Dutch aquarium — plants. Typically, in Dutch aquariums no fish or very few. Typically, the density of planting is such that if you look at the aquarium from above, you should not be visible soil. For lighting used lompico specially selected phosphor having special spectral characteristics and a higher light output. While typical for this type of aquarium the density of planting can not do without the use of fertilizers and system of enrichment of water with carbon dioxide.

A saltwater aquarium is much more complicated in content and very different from freshwater. If freshwater aquarium can safely merge the third part of the water and pour fresh, clean, replace the water in the saltwater aquarium is difficult due to the large consumption of sea salt. Consequently, in marine aquariums the water quality problem is not solved by replacement, and the use of rather complicated equipment for natural regeneration and cleaning devices — protein skimmer column (flotation skimmers). The second difference from the freshwater aquarium is the presence of flow. The sea currents are quite strong, so aquariums with coral reefs are equipped with a strong pump, which simulate ocean currents. Marine aquariums are divided into reef and fish. In a reef tank is installed more complex equipment and powerful lighting with a color temperature from 10,000 (in particular put metal halide lamps) to ensure the necessary conditions of marine invertebrates. Extremely desirable in such aquariums so-called “living stones” performing the role of a biological filter due to the live bacteria and other organisms. Fish marine aquariums are much more similar to their freshwater counterparts.

Triggerfish as a popular marine aquarium fish
The triggerfish is a spiny critters Content: Marine triggerfish are fish from the squad gloryholesex synorogenic family, numbering about 40 species. These fish are found in almost all tropical and…

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Catching predatory fish on live bait
Catching predatory fish on live bait can produce good results with proper selection and storage of this bait. The bait fish are small fish that do not have commercial value,…

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