The Oase Hel-X 13 Biomedia is an advanced biological filter media crucial for maintaining a thriving aquatic environment. Perfectly integrated within the Oase BioMaster External Aquarium Filter range, it boasts a helical geometry structure designed to provide an optimal surface for beneficial aerobic bacteria. These bacteria play a vital part in breaking down fish waste and food particles, ensuring a cleaner and healthier habitat for aquatic life. Offering an impressive 13% increase in biological settlement surface compared to its predecessor, the Hel-X 13 takes aquatic filtration efficiency to a new level.

Additionally, the biomedia is innovatively structured with a high total settlement surface area of 955 m²/m³ and a protected settlement surface of 806 m²/m³. This significant bioload capacity helps promote a vibrant ecosystem, enhancing water clarity and quality.

Conveniently packaged in a net bag, the Hel-X 13 allows for quick and hassle-free maintenance, making it an indispensable component for any serious aquarium enthusiast.

• 13% increased surface area for maximum biological activity
• Efficient breakdown of food and fish waste
• Promotes healthier and clearer aquatic environment
• Comes with a convenient net bag for easy handling

The Hel-X 13 Biomedia is engineered to offer superior filtration performance, supporting an ecosystem where aquatic life can thrive. Its innovative design and increased surface area ensure a sustainable and efficient biofiltration process.

• Settlement Surface Area: 955m²/m³
• Protected Settlement Surface Area: 806m²/m³
• Packaging: Net bag for easy maintenance

Aquacadabra acts as credit broker/intermediary and not as a lender.

Klarna's credit products are provided by Klarna Bank AB, which is authorised and regulated by the Swedish Financial Services Authority, with limited supervision by the Financial Conduct Authority. More information can be found here.

Newpay finance options are provided through Deko’s platform by NewDay. P.D. Aquatics Ltd, t/a Aquacadabra is an Introducer Appointed Representative of Pay4Later Ltd, t/a Deko, which is authorised and regulated by the Financial Conduct Authority (ref no 728646) and is a credit broker, not a lender. NewDay Ltd is authorised and regulated by the Financial Conduct Authority (ref no 690292) and is authorised by the Financial Conduct Authority under the Payment Services Regulations 2017 for the provision of payment services (ref no 555318). More information can be found by clicking the newpay option above, or in the Newpay FAQs.

We really want you to be happy with the product that you've received. If however, when the goods arrive they're not what you want, then no problem - we have a 60 day no quibble return guarantee. Just let us know that you're going to return the item(s) by contacting us(stating your Order Number) and complete the returns packing slip that will have been included with your delivery. This will help us to quickly identify the item that you have returned (unopened and unused) - and we'll put a refund through for you.