Zeolite, is produced from a mineral of volcanic origin. It absorbs ammonia and ammonium ions (in the amount of 8% of its mass).
Moreover, zeolite has a positive effect on the biological balance in the tank, stabilizes the pH and keeps the content of organic substances at a low level. It has water clarifying properties.
Removes phenols and heavy metals. Thanks to its properties, it is perfect for tanks with fish and water turtles, where it removes impurities and ammonia.