The ultrasound sent out by the Tranducer Kills exsisting algae within two to three weeks, however, in case of thread algae this process can last upto eight weeks. However, there are also very stubborn kinds of thread algae. If after at least 8 weeks, the thread algae in your water body donot dissolve or extinction process is not clearly visible, then there is also a solution for this.
The Aquasonic was developed in 1999 by Hilaire Thomas of Belgium and is patented. The ultrasonic model Aquasonic was always developed further and is, in the meanwhile, used a thousand times.
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