For the last 5 or 6 years we’ve had the pleasure of seeing a number of new technologies come along that have helped in the battle with pond and industrial algae. Few have garnered more attention than ultrasound. After all, it’s high tech, easy to install in most situations, and when it works, it does a really good job of stopping algae growth.
At the same time, I’ve always said that it’s not a silver bullet by any means. It has great capability, particularly on larger waters, where it can be very cost effective compared to chemical and biological solutions. But make no mistake, it has it’s limits. I don’t normally suggest that small pond owners use the device, simply due to cost considerations. There are other options like UV light that may help. For ponds of say, 1/8th of an acre on up, ultrasound may be a good solution.
As we’ve described previously here, ultrasonic systems send sounds waves, precisely tuned to create vibrations in any algae cells that are in the targeted range, and over time, these vibrations create damage that will ultimately disable the cell in some way. The sound waves do not adversely affect fish or other wildlife and visually, you’d never notice any disturbance in the pond at all.
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