• A smooth biological filter media. 
  
• Especially suited to fish that feed at the bottom of the aquarium.
• The pearls provide a home for beneficial bacteria. The bacteria activates the biological filtration within your aquarium, providing clear, healthy water.
• Pearl media will not alter the water pH and is suitable for all aquariums, including marine.
• Each pearl is between 10-12mm diameter

What's included

1 kg Pearl media.

The amount of media used depends on fish stocking levels and also the size and shape of the footprint of your aquarium. Below is a suggestion guide.