In ponds floating algae often causes problems with green water. When Algadrex is added to the water it will become clear in less then an hour.
The algae will clog together and will float on the surface, sink to the bottom or will trapped in the filter.
500 ML = 5.000 ltr
1.000 ML = 10.000 ltr
2.500 ML = 25.000 ltr