Fine Foam Aquarium Bio Filter Sponge | Air Pump Skimmer

Fine Foam Aquarium Biochemical Sponge Filter

Keep your aquarium water crystal clear with this high-quality fine foam biochemical sponge filter. Designed to work seamlessly with standard air pumps and skimmers, this bio filter sponge promotes the growth of beneficial bacteria for a healthy, balanced aquatic environment. Whether you're maintaining a freshwater community tank or a dedicated fish breeding setup, this sponge provides reliable mechanical and biological filtration in one easy-to-use media piece.

Key Features

• Fine Foam Structure: Traps debris and fine particles efficiently while providing a vast surface area for beneficial bacterial colonization.
• Biochemical Bio Filtration: Supports the nitrogen cycle by housing nitrifying bacteria, helping to keep ammonia and nitrite levels in check naturally.
• Compatible with Air Pumps & Skimmers: Designed to fit standard aquarium air pump-driven skimmer filter systems.
• Durable & Reusable: Made from high-quality, long-lasting sponge material — simply rinse and reuse, reducing ongoing maintenance costs.
• Available in Multiple Colors: Choose from Black, Green, or Yellow to suit your aquarium setup.
• Easy to Install & Maintain: Fits effortlessly into most standard filter housings; simply rinse with tank water during water changes to restore flow.

Specifications

• Material: High-density foam sponge
• Color Options: Black / Green / Yellow
• Package Includes: 1 × Aquarium Bio Filter Sponge
• Country of Origin: Made in Mainland China

Important Notes

• Please refer to the product images for size reference. Photos may not reflect actual size — allow 5–10 mm variance due to manual measurement.
• Colors may vary slightly due to monitor settings, lighting, or screen calibration.

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Learn more: U.S. Fish and Wildlife Service

Frequently Asked Questions

Q: What type of aquarium filter is this bio sponge compatible with?

A: This fine foam aquarium filter sponge is designed for use with air pump-driven skimmer and biochemical sponge filter systems commonly found in freshwater fish tanks. It fits most standard filter housings that accept sponge media inserts.

Q: How do I clean and maintain the aquarium bio filter sponge?

A: To maintain optimal filtration performance, rinse the sponge gently in a bucket of aquarium water (not tap water) during your regular water changes. Avoid rinsing under tap water, as chlorine can harm the beneficial bacteria colonies living in the sponge. Replace the sponge only when it begins to deteriorate structurally.

Q: What colors does the aquarium filter sponge come in?

A: The sponge filter media is available in three color options — Black, Green, and Yellow — allowing you to choose the one that best suits your aquarium's aesthetic or filtration setup.