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OxyTurbine development department
Kozlovičeva 21
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Slovenia – EU

Stock Tanks & Pond Health

Stock Tanks & Pond Health - Oxygen is an absolute key to a healthy pond. In a perfect world, oxygen enters the pond at the surface of the water.

Stock Tanks & Pond Health


Three puzzling questions can arise about these ponds:

1) Why did the fish suddenly die?
2) Why is the water pea green? And,
3) Why are there so many aquatic plants growing in the water?

All of these questions and a host of others point to a disruption of the ecosystem of the pond. The disruption usually can be traced to a drop in the level of dissolved oxygen.

Oxygen is an absolute key to a healthy pond. In a perfect world, oxygen enters the pond at the surface of the water. Wave action at the surface and/or mild thermal currents carry the oxygen into the deeper depths of the water. Beneficial algae growth at various depths in the pond also produces dissolved oxygen during the daylight hours. Aerobic microorganisms (called aerobes) breathe this sub surface oxygen as they digest the organic nutrients in the water.

Dissolved oxygen promotes microbes that strip the ability of algae and pond scum to gain a foothold in the pond by robbing them of their nutrients. Did you know that some types of algae are harmful to humans?

Another issue that few understand is the phenomenon known as “water turnover” in the pond. Water turnover occurs when the water near the surface begins to sink to the bottom, thus causing the water at the bottom to rise. This turnover typically occurs when colder weather arrives. In the summer months, large populations of microscopic algae create green “blooms” which block the sun from reaching lower depths in the pond. As a result, the lower level of water remains cooler than the surface level. Since water becomes denser as it cools, a layering of the water occurs as the cooler water sinks and warmer water rises. This layering is called a thermocline (thermal = heat and Cline = slope.)

Closed PondIf your pond is much more than six feet deep, then you can assume that the deep layer has little or no dissolved oxygen. Such thick layers cannot benefit from the surface mixing of air and water. Plus, since sunlight usually cannot penetrate much more than six feet through the algae bloom, and then there is no beneficial plant or algae growth in the deep zone to produce oxygen. This condition can spell disaster if the water turns over.
Even fertilizers, pesticides, mown grass or excessive amounts of fish food thrown into the pond can add to the nutrient load. To support a healthy pond, you need to control as many of these factors as possible. Even so, a good mechanical aerator is almost a must if you want to make sure that your pond stays healthy.


An extreme drop in oxygen levels can kill all fish, invertebrates, and much of the microscopic algae populations. As the algae bloom dies, the bright green color of the water can change to black or gray with black streaks. During this process, larger fish can begin to die. Smaller fish can be seen gasping (called piping) at the surface. Of these types of aerator on the market but only one can claim the most efficient dissolved oxygen generator, the “OxyTurbine® Aerator” This device uses the engineering principles of precession and centrifugal force. The Turbines quickly entrain and then gently, but firmly disperses dissolved oxygen in a360 degree radius. At the same time, it forces a plume of dissolved oxygen straight down. The net result is an almost magical saturation of the surrounding water with an underwater cloud of dissolved oxygen. It is almost impossible for the Turbines to clog with aquatic plants or debris. There is nothing to wear out except for the electric motor. OxyTurbine® Aerator is the most efficient, reliable, cost-effective self-aspirating aerator in the global market.

Transfer Rate:

The Turbine model can efficiently transfer up to 16.5 liters of air per/second into the water.

Dissolved Oxygen Rate:

The OxyTurbine has determined through testing that under certain conditions the turbine can deliver 8 lbs. of dissolved oxygen per/horsepower-hour.

The average life of the motor:

Motor warranty is two years from the date of purchase.
However, the average life of the motor is five years of continuous operation.


Not only is the Turbine ranked #1 in the world in efficiency for the self-aspirating aerator, but also provides the least expensive oxygen transfer per/horsepower-hour.

OxyTurbine established in Europe in the country of Slovenia, Koper. Ten years of the development of the turbine has produced excellent results and are now used in various cultural fields worldwide because of its quality and efficiency of the ecological level.


Mechanical aeration seems to be the most practical mode of treatment in a waste lagoon.

The advantage of aerobic digestion is a reduction in volatile organic compounds, a reduction or elimination of odors, and a reduction of solids that are turned into carbon dioxide gas.Furthermore, oxygen is known to kill harmful pathogens. Aerobic digestion is said to convert the wastewater into a form of compost tea making it not only fit but highly beneficial for spraying onto crop fields.

Stock TankThe level of aeration needed to turn a lagoon from anaerobic to aerobic will vary considerably from farm to farm. A pond is considered to be aerobic when the level of dissolved oxygen equals at least two milligrams per liter. It takes this level of oxygen to support adequately aerobic bacteria. Because of the size of many lagoons, and the huge burden of waste, it can take a multitude of aerator to reach this level of dissolved oxygen.

There are several types of aerator available to the confined animal operator. These include bubble diffuser, ventures, paddle wheels, and self-aspirating aerator.

Self-aspirating aerator injects dissolved oxygen into the subsurface regions of the waste lagoon. They do this by creating a low-pressure zone at the end of an air tube. In the process, they create a mild current that circulates the water without stirring up the odor.

Self-aspirating aerator typically contains a set of propellers that turn the water surface. However, the latest self-aspirating aerator on the market called the OxyTurbine Aerator, uses a circular turbine instead of propellers. According to our tests, the efficiency of the OxyTurbine series is one of the highest in the market today. The Turbine uses a pontoon-mounted, highly efficient electric motor from 1½ to 4.0 horsepower.

It is almost impossible for the OxyTurbine Aerator to clog, even in an animal waste lagoon. The motor warranty is passed to the user, and all the other parts are guaranteed for life. The Turbine is ideal for any animal waste lagoon.

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