2-Pack Aquarium Hanging Filter Sponge & Carbon Plate 3W/5W

Keep Your Fish Tank Crystal Clear with a 2-Pack Aquarium Filter Sponge Set

Maintain a healthy, thriving aquatic environment with this 2-Pack Aquarium Hanging Filter Sponge with Carbon Plate. Designed for a wide variety of freshwater fish tanks, this compact hanging filter requires no external power supply and is compatible with 3W and 5W filter units — making it a simple, effective, and energy-conscious filtration upgrade for any home aquarium.

Why Choose This Aquarium Filter Sponge?

• Dual Filtration: Combines a high-density sponge with an activated carbon plate to mechanically trap debris and chemically adsorb impurities, odors, and discoloration for noticeably cleaner water.
• Hanging Design: Easy to install on the inside rim of your tank — no tools, no mess, no complicated setup.
• No Separate Power Supply Needed: Works seamlessly with your existing 3W or 5W filter pump, saving counter space and reducing energy use.
• 2-Pack Value: Get two filter sponge units so you always have a fresh replacement on hand — ideal for regular maintenance cycles.
• Universal Compatibility: Suitable for a wide range of freshwater fish, including bettas, goldfish, tetras, guppies, and more.
• Promotes Beneficial Bacteria: The sponge media provides a large surface area for beneficial bacterial colonies to grow, supporting a balanced and stable aquatic ecosystem.

Product Specifications

• Quantity: 2 pieces per pack
• Compatible Power: 3W / 5W filter pumps
• Filter Type: Hanging sponge filter with activated carbon plate
• Power Supply: Not required (uses existing filter pump)
• Suitable For: Freshwater fish tanks, various fish species
• Made in: Mainland China

How to Use

1. Rinse the sponge filter and carbon plate under clean water before first use.
2. Attach the hanging filter to the rim of your aquarium as directed.
3. Connect to your existing 3W or 5W filter pump.
4. Replace or rinse the sponge every 2–4 weeks, and swap the carbon plate monthly for optimal water clarity.

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Authoritative Resource

For tips on maintaining a healthy aquatic habitat, visit the U.S. Fish & Wildlife Service (fws.gov) for guidance on responsible fishkeeping and aquatic ecosystem health.

Frequently Asked Questions

Q: What size aquarium is this hanging filter sponge suitable for?

A: This aquarium hanging filter sponge is designed to work with most small to medium freshwater fish tanks when paired with a 3W or 5W filter pump. It is ideal for tanks commonly used for bettas, goldfish, guppies, tetras, and other popular freshwater species.

Q: Do I need to buy a pump separately for this aquarium filter sponge?

A: This sponge filter does not come with a power supply or pump — it is designed to work with your existing 3W or 5W aquarium filter pump. If you already have a compatible pump, this 2-pack is a direct drop-in replacement or upgrade for your filtration media.

Q: How often should I replace the filter sponge and carbon plate?

A: For best results, rinse the filter sponge every 2–4 weeks using aquarium water (not tap water, to preserve beneficial bacteria). The activated carbon plate should be replaced approximately every 3–4 weeks, or sooner if you notice water discoloration or odor returning.

Q: Can I use this filter sponge in a saltwater/marine aquarium?

A: This product is primarily designed for freshwater aquariums. While the sponge media is generally inert, please verify compatibility with your specific saltwater setup before use, as marine environments have different filtration requirements.