Pond care products play an important role in maintaining biological balance. They perfectly complement the work of pond filters when used to target specific aspects of pond care.
Zeolith, for example, is a hard natural mineral with numerous pores, empty spaces and channels. It has an absorbent effect, i.e. strong electrostatic fields in its cavity system attract and bind environmental toxins and decomposition products. Pollutants and excess nutrients are trapped and degraded by bacterial action.