Activated Carbon Fresh

• How often should I change this media?

  Hydor recommend changing the Activated carbon every month.

• What size pack do I need for my filter?

  Hydor LAB activated carbon is very useful in the aquarium. Each box contans 3 x 100g  Filter bagged pouches.  These packs can be added to external filtration or internal filter if big enough. Use Hydor LAB Activated carbon to add a final polish to water and absorb pollutants.