Filter Media
Seachem Matrix Bio Media
Pumice-rock biological media with high surface area for nitrifying + denitrifying bacteria.
Seachem Matrix Bio Media TL;DR
Cost: $15-$45.
Pumice-rock biological media with high surface area for nitrifying + denitrifying bacteria.
What it does + use case
Pumice-rock biological media with high surface area for nitrifying + denitrifying bacteria.
Sizing for your tank
Match seachem matrix bio media 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-$45. Plan annual replacement budget at 20-40% of initial cost.
Seachem Matrix Bio Media FAQ
How long does Seachem Matrix Bio Media last?
Varies by media type - 1-3 months for chemical media, indefinite for ceramic biological media.