Aquarium Co-Op Medium Pre-Filter Sponge
The Aquarium Co-Op Medium Pre-Filter Sponge is designed to fit aquarium filter intake tubes while protecting shrimp, fry, and small fish from being drawn into the filtration system. In addition to improving livestock safety, the sponge provides extra mechanical and biological filtration by trapping debris and creating additional surface area for beneficial bacteria.
Perfect for shrimp tanks, breeding setups, planted aquariums, community aquariums, and nano fish tanks, this pre-filter sponge helps improve water clarity while reducing the risk of livestock entering your filter intake.
Key Features
✔ Protects shrimp, fry, and small fish from filter intakes
✔ Adds mechanical and biological filtration
✔ Increases beneficial bacteria surface area
✔ Helps improve water clarity by trapping debris
✔ Easy to install, remove, and clean
✔ Compatible with many HOB filters, canister filters, and internal filter intakes
✔ Long-lasting sponge construction
Perfect For
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Shrimp tanks
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Fry grow-out tanks
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Breeding aquariums
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Community fish tanks
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Planted aquariums
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Nano aquariums
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Betta tanks
Why Use a Pre-Filter Sponge?
Pre-filter sponges help prevent shrimp, baby fish, and other small livestock from entering filter intake tubes. They also provide additional biological filtration and help trap debris before it enters the main filter, reducing maintenance and improving water quality.
Frequently Asked Questions
Q: What size aquarium is this pre-filter best for?
A: The Medium Pre-Filter Sponge is commonly used on aquariums approximately 20–55 gallons, depending on the filter intake size and livestock being protected.
Q: Does it reduce water flow?
A: When clean, the impact on water flow is minimal. Regular rinsing helps maintain optimal filtration performance.
Q: Is it safe for shrimp tanks?
A: Yes. Pre-filter sponges are one of the most popular upgrades for shrimp tanks because they prevent baby shrimp from being drawn into the filter.
Q: Can I use this with hang-on-back filters?
A: Yes. It is compatible with many hang-on-back, canister, and internal filter intake tubes.
Q: How often should I clean the sponge?
A: Most hobbyists rinse the sponge every 1–2 weeks using old aquarium water, depending on stocking levels and debris accumulation.
Q: Does it provide biological filtration?
A: Yes. The sponge creates additional surface area for beneficial bacteria, helping support a healthy biological filter.
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