Archive for July, 2011
Two of the most typical different kinds of pond aeration systems are diffused aerators and surface aerators (fountains). Although each is effective, they both have specific positives and negatives that can make them a favorable option based on your own pond's qualities.
Diffused aeration systems take advantage of the strength of oxygen to clear the water column and infuse fresh air into the lake. Standard set up entails an oxygen compressor which forces fresh air through tubing right down to a diffuser(s) located at the bottom part of the pond. Once the air reaches the diffuser, the diffuser breaks it into little bubbles which are released into the pond. The bubbling action of the oxygen rising to the surface area causes the water to de-stratify, meaning the poor, fresh air deprived h2o in the bottom of the pond is blended with the fresh air loaded water above, triggering noxious and dangerous gases to launch into the atmosphere. At the top, the location where the bubbles bust, extra the necessary oxygen transfer is created adding to the general the necessary oxygen content of the water.
Diffused air diffussion is often utilized in larger and deeper lakes and ponds of more than 8 ft deep. Diffused oygenation is much more energy efficient where large ponds are concerned though also providing the advantage of keeping electrical cables out of the water. In addition they result in little top agitation for those who prefer a sleek look to their particular water-feature or lake
Top aerators, as the title implies, are placed at the lakes surface. These types of units utilize a pump mounted under a float that pumps h2o from the pond into the fresh air or right at the top. Not like diffused aerators, surface aerators would be best used in small ponds and lakes. Oxygenation using floating aerators happens when the water that is splashed into the oxygen makes connection with the pond's surface when it comes back down. This interaction permits the venting of gasses and also the transfer of oxygen, however because all of the pumping of h2o and much needed oxygen transfer occurs at the top, little or no gain is gained at the bottom depths.
Surface aerators may also serve a double purpose. Aside form the primary function of oxygenating h2o, surface aerators can add aesthetic appeal as they are available with different spray patterns. However, if aeration is to be the primary function of the unit, it is important to select an aerator that creates a fine mist and a wider display. These kinds of units allow for greater venting and the necessary oxygen transfer as they create more turbulence at the pond’s surface.