I don’t know what, but I think I must have done something drastically wrong and managed to make the pond water cloudy. I am running a Filtomatic 25000 which has been in place since the pond was constructed about 8-9 months ago. Despite the particularly long and cold winter the filter has been running throughout without problem. Up to about 2 weeks ago the water was more than acceptably clear, to the extent that I could clearly see leaves and organic debris on the pond floor. I decided to get the…