Filter Media
Synthetic-organic chemical-removal media that out-performs activated carbon.
Cost: $15-$40.
Synthetic-organic chemical-removal media that out-performs activated carbon.
What it does + use case
Synthetic-organic chemical-removal media that out-performs activated carbon.
Sizing for your tank
Match seachem purigen to your filter or tank size. Use manufacturer dose-rate or volume rating.
Setup + maintenance
Follow manufacturer instructions exactly. Replace media when manufacturer-rated capacity expires (varies by media type).
Common mistakes
Replacing all media at once (destroys bio-filter). Skipping pre-rinse. Buying based on price alone.
Cost expectations
Cost: $15-$40. Plan annual replacement budget at 20-40% of initial cost.
How long does Seachem Purigen last?
Varies by media type - 1-3 months for chemical media, indefinite for ceramic biological media.