Seachem Purigen Size:2 L 4" | Height: 11"

4"   |  Height: 11"

Can hold up to 10 sheets of precut seaweed

Used as directed

special grid for surface water intake

though at their adult size they may still rearrange rocks and other decor while swimming around the tank and can inadvertently damage a reef that way

Seachem Purigen Size:2 L 4" | Height: 11"Purigen is a premium synthetic adsorbent that is unlike any other filtration product. It is not a mixture of ion exchangers or adsorbents, 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. Purigen's