Eheim Substrate EHFI Pro 2L

EHEIM Substrat Pro 2L Biological Filter Media

EHEIM Substrat Pro is a high-efficiency biological filter media designed to improve water quality in both freshwater and marine aquariums. Manufactured from sintered glass, this media features an extremely porous structure that supports the growth of beneficial bacteria vital for effective biological filtration. With a surface area of approximately 450 m per litre, it provides ideal conditions for nitrifying bacteria to thrive, helping to break down ammonia and nitrite efficiently.

Key Features:

• Extensive surface area Offers 450 m per litre for bacteria colonisation, boosting biological filtration capacity.
• Reusable and long-lasting Can be rinsed and reused multiple times, making it economical and environmentally friendly.
• Made from sintered glass Provides a stable, inert, and porous structure ideal for bacterial growth.
• Supports healthy aquarium cycles Helps maintain low ammonia and nitrite levels by supporting beneficial microbial populations.
• Freshwater and marine safe Suitable for use in all aquarium types.
• 2L volume Ample quantity for use in external filters or sumps in medium to large tanks.

For best results, replace only part of the media at a time to allow fast bacterial repopulation and maintain biological stability.