Seachem Purigen® Brand_Seachem Laboratories It is lightweight and features

It is lightweight and features an ergonomic handle making it comfortable to hold in multiple positions

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® darkens progressively as it exhausts

If your cat prefers

Speeds the cure of live rocks by constructive bacterial interaction

Seachem Purigen® Brand_Seachem Laboratories It is lightweight and featuresHighest organic removal capacity Possesses enhanced capacity owing to its vast surface area; both spherical and macroreticular Helps control ammonia nitrite nitrate Color changes as it exhausts; easily regenerated Overview 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