GlaX ringis a second generation material with a very elevated filtration capacity. 1 l product has a useful surface of 200 m2 where micro-organisms can settle and perform their biological cleaning action. Thanks to its wide surface and wide cavities (20 to 50 micron) glaX ring proves ideal to depurate a tank’s water eliminating ammonia and nitrites. Used together with "glaX stone" it also allows to eliminate nitrates.
(continue)