Alfagrog Full Sack 15kg

Maintain exceptional water quality with the Alfagrog Full Sack 15kg, a high-performance biological filter media designed for ponds, koi ponds, aquariums, and aquaculture systems. Manufactured from porous foamed ceramic, Alfagrog provides an extensive surface area for beneficial bacteria to colonise, helping to break down harmful ammonia and nitrites naturally for a healthier aquatic environment.

Its lightweight yet durable structure ensures excellent water flow while remaining pH neutral and chemically inert, making it safe for all freshwater and marine applications. Suitable for use in filter bays, moving bed systems, and biological filtration chambers, Alfagrog is a trusted choice among pond keepers and professionals alike.

Key Features

• 15kg full sack of premium ceramic biological filter media

• Highly porous structure encourages rapid bacterial colonisation

• Improves biological filtration and water clarity

• Lightweight, strong and easy to handle

• pH neutral and completely inert

• Suitable for koi ponds, garden ponds, aquariums and aquaculture systems

• Long-lasting and reusable filter media

• Ideal for upgrading new or existing filtration systems

Whether you're building a new pond filter or replacing old media, the Alfagrog Full Sack 15kg delivers reliable biological filtration to help create clean, clear, and healthy water for your fish year-round.