Filter Media
Eheim Substrat Pro
Sintered-glass biological media engineered for Eheim canister filters.
Eheim Substrat Pro TL;DR
Cost: $25-$60.
Sintered-glass biological media engineered for
Eheim canister filters.
What it does + use case
Sintered-glass biological media engineered for
Eheim canister filters.
Sizing for your tank
Match eheim substrat pro 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: $25-$60. Plan annual replacement budget at 20-40% of initial cost.
Eheim Substrat Pro FAQ
How long does Eheim Substrat Pro last?
Varies by media type - 1-3 months for chemical media, indefinite for ceramic biological media.