Eheim SubstratPro Filter Media – 180g/250ml High-Porosity Bio Media

The Eheim SubstratPro is a premium bio-filter medium designed to maximize biological filtration efficiency in both freshwater and marine aquariums. Made from sintered glass material with an extremely high surface area, it provides an ideal environment for beneficial bacteria to colonize, ensuring optimal breakdown of harmful ammonia and nitrite.

Its uniform spherical shape promotes maximum water flow and prevents channeling, while its long-lasting composition makes it reusable after gentle rinsing. Perfect for external filters, sump systems, and wet/dry trickle filters, SubstratPro is a top choice for advanced aquarists seeking crystal-clear, healthy aquarium water.

Key Features

• High-porosity sintered glass bio-media for superior bacterial growth
• Spherical design ensures even water flow and prevents clogging
• Breaks down ammonia and nitrite effectively for a healthier tank
• Suitable for freshwater and marine aquariums
• Lab-tested for quality and safety
• Reusable after gentle rinsing in aquarium water
• Made in Germany for lasting performance

Specifications

• Weight: 180g
• Volume: 250ml
• Material: Sintered glass spheres
• Suitable for: Freshwater & Saltwater tanks

Usage
Place Eheim SubstratPro in the biological filtration stage of your filter system. Rinse with aquarium water during maintenance to preserve beneficial bacteria. Replace partially every 6–12 months for best results.