Alfagrog E25 Ceramic Biological Filter Media (15kg / 20L)

Improve biological filtration performance with Alfagrog E25, a highly porous ceramic filter media designed for ponds, koi systems, aquariums, sumps, and trickle filters. Its lightweight foamed ceramic structure provides an extensive surface area for beneficial bacteria, helping to support the biological breakdown of ammonia and nitrite.

Suitable for both freshwater and marine systems, Alfagrog is chemically inert and designed for long-term use in demanding filtration environments.

Condition

• Brand New / Unused: Media has never been used in any filtration system.
• Repackaged: The original manufacturer packaging was damaged during storage or transit.
• Full 15kg (approximately 20 litres) has been weighed and transferred into secure replacement packaging.
• Recommended to rinse before use to remove any dust generated during transport.

Key Features

• Highly porous ceramic structure provides extensive surface area for beneficial bacteria.
• Supports biological filtration and waste breakdown.
• Chemically inert and pH neutral.
• Suitable for freshwater, marine, and koi pond systems.
• Lightweight yet durable foamed ceramic construction.
• Ideal for filter bays, sumps, shower filters, and trickle systems.
• E25 grade media with pieces approximately 10mm–45mm in size.

Specifications

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.