N30 Volcanic Subtrate

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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 Show more