Speeds up the development of aquarium filters and helps to digest organic matter. Which then helps to improve the clarity of the water.

• If used when setting up an aquarium , it allows a few fish to be introduced after 24 hours.
• Can be used to help repair the damage that is done to your filter when you do a water change.
• For both freshwater and marine aquariums.
• Normally delivered within 3 days.
• Please see note regarding small order charge.