Clean water is essential for the biological balance in the garden pond. Water quality has a direct impact on the growth and reproduction of plants, the growth of microorganisms and fish health. The water should contain all the necessary elements that are important for the proper flow of biological and chemical processes. If all the indicators are normal, and livelihoods at the micro-level optimal, then Your garden pond is established biological balance. For many, garden ponds, where, as a rule, the ratio of fish to water volume is very large, beautiful and successful solution is to install the filter. In the garden pond is one fish about four times less water compared to the reservoir in wildlife. The natural balance is disturbed quickly also because of the waste products of the inhabitants of the lake. This is especially true for koi. On the one hand, the water in the pond through the filter is maintained in a clean condition, and, on the other hand, the filter will take care of proper water circulation, which in turn will provide additional supply of the required amount of oxygen. Pressure filter provides both mechanical and biological treatment. Continue reading
I think, in the Black sea swam many of our readers, and more — just heard about it. Indeed, the Black sea is one of the most interesting (and beautiful) seas in the world, including their historical significance.
1. In the Black sea is a very interesting distribution of currents. Two major currents, and that’s a huge cycles with a wavelength of about 400 kilometers. In honor of the scientist who discovered these currents, called them “Glasses of the Knipovich”.
In addition, in the Black sea inhabited only the upper layer of the water column. All because at the bottom of the sea huge amounts of hydrogen sulfide, rising and middle layers.
Life occurs to a depth of about 150-200 meters, and then, as has already been mentioned — hydrogen sulfide. It reacts with iron, attached to the anchors ancient mariners black. Maybe that’s why the Black sea got its name. Continue reading
known for their sharp #teeth. The locals used the piranha teeth for the manufacture of knives. Piranha Piranha is a dangerous threat! Piranhas live in South American rivers. Fish piranha sharp teeth.Piranhas have powerful jaws. Piranhas grow up to 1 kg. of Carnivorous Piranha – predators eat the wounded fish, piranhas attack larger mammals if those in the water. Signal to the predator of the piranha is the presence of blood in the water, feel the smell of piranhas for a few meters. river monsters predatory piranhas river monsters piranha hungry piranha kill beautiful fish beautiful dangerous piranhas piranhas river monsters piranhas eating piranhas ate the piranha attack piranha kill
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tricks 2015 cool videos watch videos of piranhas Continue reading