High performance active bacteria and oxygen enrichment substances that reduce impurities in ponds (e.g. decaying plants and leaves, fish waste and food left on the bottom of the pond). It has no toxins that will endanger pond inhabitants. At the same time, oxygenation levels will be stabilized, which will therefore have better water conditions. Using Kombi in a new installation, water replacement or by medicating the fish will enhance and stabilize the ecological balance. Thanks to the unique active Kombi formula you will replace a whole range of unnecessary products.