How do you replace the built in sponge filter?

I'm not seeing replacement sponges on Amazon or on the hygger website. If you rinse it out good with your water changes it should last a long time, otherwise you might have to get a generic sponge and cut it to fit. To be honest, I'd probably just buy a whole new filter at that point since they're cheap and the sponge it comes with should last a long time.

My tank came with a small submersible air pump. Would a submersible pump work with this filter?

if you can connect an air tube it will

I don't want the bio balls what can I replace it with?

bio balls are very beneficial to the quality of the water

Sponge Filter | Desertcart Cook Islands

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

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NZ$70

Duties & taxes included

In stock

Sold byAmazon Cook IslandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Desertcart purchases this item on your behalf and handles shipping, customs, and support to Cook Islands.

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Description

🐟 Keep your mini aquatic world pristine and safe—because your betta deserves the best!

COMPACT POWERHOUSE - Optimized size for 2-5 gallon tanks, fitting discreetly while delivering maximum filtration efficiency.
EFFORTLESS MAINTENANCE - Quick-access plastic chamber makes cleaning and media replacement a breeze—keep your tank thriving with minimal hassle.
GENTLE FLOW HAPPY FISH - Aerates and circulates water slowly, ideal for species that thrive in calm currents.
CRYSTAL CLEAR WATER ALWAYS - Dual-stage filtration traps debris and nurtures beneficial bacteria for a pristine tank environment.
SAFE HAVEN FOR YOUR TINY SWIMMERS - Seamless, no moving parts design ensures no accidental fish or shrimp suction—perfect for delicate fry and bettas.

The hygger Small Aquarium Bio Sponge Filter is a compact, air pump-driven filtration system designed for 2-5 gallon tanks. It features a 2-stage mechanical and biological filtration process that keeps water crystal clear while providing a safe environment for fry, bettas, and shrimp. Its fish-safe design prevents accidental suction, and the gentle aeration supports slow-flow water lovers. Easy to maintain with a quick-access chamber, this filter is ideal for both freshwater and saltwater mini aquariums.

Specifications

ASIN	B0BC8QR8N4
Best Sellers Rank	#135,417 in Pet Supplies ( See Top 100 in Pet Supplies ) #635 in Aquarium Filters
Brand	hygger
Brand Name	hygger
Customer Reviews	3.4 out of 5 stars 426 Reviews
Item Form	Device
Manufacturer	hygger
Number of Items	1
Number of Packs	1
Pet Type	Fish
Target Species	'fish', 'shrimp', 'Betta fish'
Unit Count	1 Count

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NZ$70

Duties & taxes included

In stock

Sold byAmazon Cook IslandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Cook Islands.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

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Fantastic experience overall. Will recommend to friends and family.