Seachem Purigen Marine Treatments In this way

In this way

the coarse sponge makes it easier for beneficial bacteria to establish themselves in the aerobic zone

including koi and goldfish

The extra container is used to expand the filter with additional biological or chemical media

the unit should be read under natural daylight or daylight simulating light

Seachem Purigen Marine Treatments In this waySeachem Purigen is a premium synthetic adsorbent that is unlike any other filtration product. It is not a mixture of ion exchangers or adsorbent media, but a unique macro porous synthetic polymer that removes soluble and insoluble impurities from water at a rate and capacity that exceeds all others by over 500%. Purigen controls ammonia, nitrites and nitrates by removing nitrogenous organic waste that would otherwise release these harmful compounds.