N30 Black Volcanic Media, natural biological filtration that promotes beneficial bacteria to settle and colonise. These will accelerate the breakdown of biological waste and enable long-term stable filtering, ideal for all types of aquariums.

Features

• For freshwater & marine aquarium use
• Ideal for beneficial bacteria to colonise.
• Creates quality water for ease of maintenance
• Eliminates ammonia and odours
• High drainage capacity
• Denitrifying effect
• Comes in N30 Filter media bag

Usage

• Replace media: 4 - 6 months
• Rinse the media thoroughly with water before use.

Amount

• 500g supports up to 35L
• 1.5KG supports up to 70L
• 3KG supports up to 140L