Kasco water circulators provide valuable benefits to you in every season of the year. During the summer months, they are used to mix and agitate stagnant water to help reduce aquatic plant growth, and inhibit mosquito reproduction. In the spring and autumn, they can help reduce thermal stratification in deeper bodies of water to help prevent, or limit, the negative effects of pond turnover. Finally, in the winter months, water circulators can be used to keep areas of water open to help prevent winter kill on fish populations, and protect permanent structures from ice damage.

Kasco water circulators are ideal for creating directional water flow in your pond or lake. This transforms still, stagnant water into a stream environment, and helps add vital oxygen. Still, stagnant water promotes the growth of unwanted surface and bottom vegetation such as algae. By eliminating the stagnant water, the water circulators help limit the growth of the unwanted aquatic plants, and keep your pond cleaner.

Stagnant water contributes to rapid mosquito reproduction, including those that may carry the West Nile virus. Creating a stream environment helps limit mosquito reproduction, and thereby helps control the overall population of mosquitoes in your area.

Kasco water circulators are great tools to limit the negative effects of spring and autumn turnover. Ponds in geographic areas that see large seasonal temperature swings often have spring and autumn turnover. Spring and autumn turnover occurs when deep, stratified (large temperature differential between surface and bottom water separated by a thin layer of water called a thermocline) water “turns over”. In spring, the surface water is heated by the sun to about 4°C, and becomes more dense than the colder, de-oxygenated bottom water. When the warm surface water becomes too dense for the colder water to support, the pond water will turn over and have the colder water on the surface.

This causes the de-oxygenated water to mix with the oxygenated surface water and cause an overall lower oxygen level. When large numbers of fish are present, oxygen levels can become low enough for a fish die-off to occur. In autumn, the exact opposite occurs. The surface water is cooled by cooler nighttime periods, and when the surface water is around 10° C, the pond again turns over. Kasco water circulators can be angled downward to destratify ponds to about 5.5m in depth. By destratifying the water, Kasco water circulators move cooler de-oxygenated water from the bottom to the surface where the water can be warmed, and oxygen diffused through the air-water interface causing the elimination of the thermocline and large temperature differential, and increasing oxygen levels throughout the entire water column, and improving your lake or pond aeration.

Kasco water circulators can be used to help prevent winter-kill conditions, and protect permanent fixtures in your pond or lake. During harsh winters with thick ice and heavy snow pack, your pond can experience a fish die-off due to low oxygen levels. The heavy snow and ice prevent sunlight from penetrating into the water, causing the existing aquatic vegetation to die off. As the vegetation dies, the decomposition process uses up much of the available oxygen in the pond. As the winter progresses, the oxygen levels continue to decrease and eventually, your fish may begin to die.

A Kasco water circulator will mix the water and move warmer, bottom water to the surface to keep an area of the pond open. Only 1% of the ponds total surface area needs to be ice-free to prevent winter-kill situations. The cold water will become oxygenated by coming in contact with the air, and prevent winter-kill on your pond.

Kasco water circulators positioned around docks and/or boats can prevent costly ice damage by keeping an area ice-free around your valuables. Depending on your situation, they can be mounted in three different methods (shown below).



Rope Suspension: The Water Circulator can be mounted in either a vertical or angled position with ropes or cables.

Universal Dock Mount: Kasco also offers an optional dock mount, which allows for either vertical or several angled positions.

Horizontal Flotation Kit: Kasco Water Circulators can be suspended from the flotation kit to create elongated patterns of water movement. The unit rests less than 0.5m below the surface, and is ideal for shallow water, or where there is no dock or place to suspend the unit. With five angled positioning options, the flotation kit allows for easy adaptability for most situations.

All models include a horizontal flotation kit and two 15m braided nylon mooring ropes, and are available with 1m stub cord and connectors or a 10m power cord on 1/2 and 3/4 an 1/1 HP sizes.

  • Efficient / low energy consumption 
  • Robust anti-clogging design
  • Corrosion resistant
  • Low maintenance 
  • CE certified
  • 2 years warranty

More info? Send us your request for the documentation and product specifications by mail.