Ultramins

Alex Vellekoop – Duynplant – De Lier

Alex Vellekoop – Duynplant – De Lier

We managed to get the USAF ultrasonic transmitters installed in time before the start of the summer. Now even after very bright en hot days we barely have any algae in our pond. (3.000m2) The few algae present are all exterminated effectively. Ultramins provided a fine and reliable service.