Biological algae control in the garden pond

The garden pond or the swimming pond are the figureheads of a garden or a plant. Especially in the swimming pond there should not be any visually disturbing algae that can also hinder swimming.Algae can usually be recognized by their slightly greenish shimmer. In most cases these are caused by green or blue algae. With these two types of algae, however, the water remains clear. Water fleas can be used here in garden ponds. These are harmless to humans. However, you really have to worry if the...