Eheim Substrat Pro Biological Aquarium Filter Media, 1L Porous Sintered Glass

EHEIM Substrat Pro is 1L of biological aquarium filter media designed to support bacterial colonization, with porous, pearl-shaped sintered glass for water flow and penetration.

• 1L quantity — a defined amount of media for your filter.
• Artificial sintered glass with a highly porous structure — creates a surface for bacterial colonization.
• Pearl-shaped, open design — allows water to pass through the media.
• Surface area of 1800 sq ft per gallon — provides extensive media surface within its structure.
• Fits EHEIM Classic, Ecco, Pro 3 and Pro 3e filters — made for use across these EHEIM filter ranges.

Biological filter media is for aquarium keepers who want a dedicated surface within their filter for bacterial colonization. Substrat Pro’s open structure is designed to let water penetrate the media, making it suitable for use in compatible EHEIM filters as part of an aquarium filtration setup.

How does Substrat Pro support biological filtration?

Its porous, pearl-shaped sintered glass gives water access through the media and provides a surface for bacterial colonization. The shaped structure is designed to improve water throughflow, while the media’s stated surface area is 1800 sq ft per gallon. EHEIM also notes that its design provides longer intervals between required maintenance.

• Open structure encourages water penetration through the media.
• The pearl shape is designed to support throughflow.

Which EHEIM filters can use Substrat Pro?

EHEIM Substrat Pro is for use in EHEIM Classic, Ecco, Pro 3 and Pro 3e filters. Choose it for a setup using one of these filter ranges when you want biological media in the filter; the compatibility is specific to the EHEIM models named here.

• Compatible ranges: Classic and Ecco.
• Also for Pro 3 and Pro 3e filters.

How do you rinse and replace the media?

Lightly rinse Substrat Pro with aquarium water every 1 to 3 months, then replace it every 3 to 6 months. This care routine keeps the media reusable between replacements and gives aquarium keepers a clear maintenance schedule.

• Rinse lightly using aquarium water.
• Rinse every 1 to 3 months; replace every 3 to 6 months.

Substrat Pro suits aquarium keepers looking for biological filter media for a compatible EHEIM filter, with a porous glass structure intended to support water flow and bacterial colonization. Its defined 1L quantity and stated care intervals make it a practical choice for buyers planning routine filter maintenance.