Seachem Purigen - Ultimate Filtration - 250ml ~ Treats 250 Gallons ~ Regenerable Saltwater Lighting try dangling it in front

try dangling it in front of its mouth

Use with Neutral Regulator® to target a pH

brewers dried yeast

Since the majority of the bacteria are internal

Seachem Purigen - Ultimate Filtration - 250ml ~ Treats 250 Gallons ~ Regenerable Saltwater Lighting try dangling it in frontPurigen 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