Your pond is sensitive! Its water values, its clarity and fish health are highly dependent on fish stock and weather influences. Leaves can also burden the pond biology. Our AquaActiv series gets to the root of water problems. The principle: For a sustainably healthy pond, first the biological balance must be restored. The AquaActiv A-B-C Concept with its 3-Step Plan offers you a biologically sensible approach to an algae-free pond. In this regard, it systematically allocates the individual AquaActiv products to progressive steps, and you help your pond to help itself.