« A boat moored next to « Why Knot » from 25th June until 10th July developed growth of shell animals and algae but the hull of « Why Knot » remains totally clear. »
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'Wee Hopscotch' – Nelson 29. Poole Harbour, England.
« It was quite apparent that the unit was having a very beneficial effect and had prevented further growth from forming. I am confident that the unit will keep algae at bay now that the hull has been power-washed and the unit is in operation on a clean hull. »