Masterline Filtermax Biological Filter Media 1000ml for Aquariums

Masterline Filtermax 1000ml Biological Filter Media is a highly porous, 100% natural filter material for freshwater and saltwater aquariums. Its 6-12 mm granules create a large, protected surface area where beneficial bacteria can grow to help support biological filtration.

It is designed for aquarium keepers who want a stable, long-lasting biological filter media that works with most filter systems and does not need to be replaced.

Key Ingredients

• Full ingredient list on packaging

How to Use

1. Rinse the media gently in aquarium water before placing it in your filter.
2. Add the media to your filter chamber, filling it to your filter's recommended capacity.
3. Allow the filter to run so water flows through the media and beneficial bacteria can establish.
4. Clean the filter as needed without fully removing the media, so the bacteria inside its pores remain active.

• Large surface area for beneficial bacteria to colonize
• Helps establish the nitrogen cycle in new aquariums
• Durable, wear-resistant structure for long-term use
• Porous design that maintains water flow without clogging
• Chemically neutral, does not change water pH or hardness