Seachem Purigen - Ultimate Filtration - 500ml (Treats 500 Gallons - Regenerable) glow and hobbyists

and hobbyists

while the protective pump cage will handle solids up to one quarter of an inch

It is suitable for garden zones 1 to 8 (-6 C / 20 F and below)

25" x 5" x 7

Seachem Purigen - Ultimate Filtration - 500ml (Treats 500 Gallons - Regenerable) glow and hobbyistsPurigen 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 other competing products by over 500%. Purigen controls ammonia, nitrites and nitrates by removing nitrogenous organic waste that would otherwise release these harmful