The way the concept works is that things dissolved in water are drawn to the surface of an air bubble. The concentration of chemicals, dirt, colours, and algae is caused by the attraction of air bubbles. An air pump is used to combine air and water. A very long contact period between the water and the air is produced by pushing this mixture through the filter material (biorings) to a lower exit. As a result, a hard foam is produced and the water's surface tension is continuously altered. A perforated cone separates the foam from the cleaned water before it is released. Phosphates, ammonia, Humic acids, colours, proteins, and a number of heavy metals are among the substances dissolved in water that are filtered out by the foam and released into the environment.
25mm water intake, 40mm water outlet, and 25mm foam outlet.