AQUANEAT Aquarium Bio Sponge Filter Breeding Fry Betta Shrimp Nano Fish Tank (Large up to 60Gal)
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Availability:
In Stock.
Arrives
Wednesday, Apr 29
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Size: Large up to 60Gal
Features
- Sponge filter provide both mechanical and bio filtration, also, the air infusion chamber produces minute bubbles which increase the oxygen solubility
- Safe for fish: soft sponge material, traps floating debris and won't suck up your fish
- Easy to set up & clean: simply install an airline into the unit and turn on the air pump, simply rinse and squeeze sponge in tank water
- Recommend tank size: 40 to 60 gallon, excellent for small size fish like betta, dwarf cichlid, guppy, killifish etc., or for hatcheries, maternity tanks, nano tanks and fry tanks, as the filter produces minimal current and has almost no way to suck the fish through the filter
- Includes: 1 PC of Sponge Filter. Dimension: 4.5"D X 8.0"H
Is Discontinued By Manufacturer : No
Product Dimensions : 4.72 x 4.72 x 8.27 inches; 8.11 ounces
Item model number : SF-A004^
Date First Available : May 16, 2017
Manufacturer : AQUANEAT
Best Sellers Rank: #5,558 in Pet Supplies (See Top 100 in Pet Supplies) #25 in Aquarium Filter Accessories
#25 in Aquarium Filter Accessories:
Customer Reviews: 4.7 4.7 out of 5 stars (9,150)
Item Weight: 8.1 ounces
Manufacturer: AQUANEAT
Item model number: SF-A004^
Date First Available: May 16, 2017
Item Package Dimensions L x W x H: 6.1 x 5.16 x 5.12 inches
Item Dimensions LxWxH: 4.72 x 4.72 x 8.27 inches
Item Weight: 230 Grams
Brand Name: AQUANEAT
Target Audience Keyword: fish
Size: Large up to 60Gal
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Wednesday, Apr 29
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Similar Products
Top Amazon Reviews
Size: Large up to 60Gal
Works great!! Creates great airflow and filters my tank well
Reviewed in the United States on February 13, 2026 by S. Sebastiani
Size: Large up to 60Gal
The media could not be loaded. The AQUANEAT Aquarium Bio Sponge Filter Breeding is an excellent choice for anyone raising fry, shrimp, or delicate fish species. Its simple yet highly effective design makes it a dependable staple for both beginners and experienced aquarists. What really makes this sponge filter shine is its gentle filtration. Unlike stronger mechanical filters that can stress or even harm small fish, this unit provides a soft, steady flow that keeps the water clean without creating dangerous currents. That makes it ideal for breeding tanks, quarantine setups, or shrimp colonies. The biological filtration is another standout feature. The sponge provides plenty of surface area for beneficial bacteria to grow, helping maintain stable water parameters and a healthier tank environment over time. Once established, it does a great job of naturally breaking down waste. It’s also incredibly quiet since it runs on an air pump—no motors, no humming—just a subtle stream of bubbles. This makes it perfect for setups where noise needs to be kept to a minimum. Maintenance is refreshingly simple: just rinse the sponge in tank water during routine cleaning, and it’s good to go. The build quality feels durable, and it’s easy to set up right out of the box. Overall, the AQUANEAT Bio Sponge Filter is a reliable, low-maintenance solution that excels in breeding and sensitive tank environments. It’s a must-have for anyone focused on fish health, stability, and gentle filtration.
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Reviewed in the United States on March 25, 2026 by Samuel
Size: Small up to 10Gal
This is a decent little filter. I use it for a 7-gallon planted tank and it more than does the job. I had an algae and bacteria bloom that would not clear after a few months. I bought this filter, filled the chamber it has with filter floss, and put it in the tank. Water improved quickly and was crystal-clear in a couple of days. It’s just a solid two or three pieces of plastic which snap together and are pretty durable for taking apart and cleaning. The sponge on the outside does a good job of keeping small shrimp safe, as usual the enjoy grazing on the filter sponge. For a low-tech setup with a smaller tank, it does a good job. You could probably get away with using this in a bigger tank as well if you’re using primarily to keep the water clean in a low-tech tank.
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Reviewed in the United States on September 5, 2025 by jfmi
Size: Small up to 10Gal
I got these about a year ago and they work great in a little tank and to increase the air flow I cut the top out of the little cap and put a air stone in which not only adds air to the mix but seems to increase the suction of water into the filter. But there does come a time when the filter is just fouled out and will not clean and then it becomes a bacteria breeding ground. At that time you HAVE to throw them away because no matter how thoroughly you clean out the sponge, it will foul out fast within a couple of days and actually contaminate the water. I thought they could just be cleaned out and would work till they fell apart but this is not true which is why the 4 and not a 5. I don't know if there is a recommended amount of time that you are supposed to use them but there does come a time when it is just not safe to use them anymore as they will breed bacteria fast and will just NOT clean up anymore. Overall, they are a good value but change them out when they start to fail to fully clean up properly and get new ones. They do that before the foam starts to break down. Added info - I bought another one as I threw the original ones I had away when they got fouled out. But while not using the sponge filter, the tank immediately got very hazy despite having a built in filtration system and even changing the water more frequently didn't make a difference. When my new sponge filter came in, it cleared up the tank in about 30 minutes max, the difference is amazing. And it is so small it surprised me how fast it took care of business in the tank. In the meantime, between the time I threw the original sponge filters away and before I reordered new ones, I read another review that said that they rinsed the sponge out with something that killed the bacteria in the sponge and all was well. Unfortunately, I had just thrown them away. So, when my new ones came in, I couldn't remember what the person said they used to clean the sponge, could not find the review so after spending a lot time trying to find what they had used, I decided to use the antibacterial soap that you use for your hands as a hand sanitizer and then rinsed the sponge out for a long time so there was absolutely no residue left in the sponge, and it seems to work as far as I can tell. My plan is to just use some type of sanitizer that will not hurt my fish and never let the sponge filters turn into bacterial breeding grounds and it should work fine. The sponge itself seems to last a long time even with regular cleaning. I read a review that said their sponge disintegrated fast but I am gentle with them and my original ones lasted over a year. Overall, I am very pleased with them. I have modified all of sponge filters like the guy who took extensive photos about how to put an air stone in them, and they are very quiet, have stronger suction with the air stone and the smaller bubbles keep the water calmer and less moving. This is good as I have a beta in the tank and he hates currents and moving water. Their natural habitat is totally quiet with little or no water movement, so they greatly dislike a moving water environment. I bought a new tank with a built in filter system that advertised a pump that could be adjusted to lower the flow and even on its lowest setting there is way too much movement with the water flow and my beta was visibly very upset about it. He went to the corner of the tank as far as he could from the moving water and stayed there behind the plants where there was no motion. He would only come out to eat and then immediately fled to the calm corner. So I turned off the built in filtration system and got another one of the little sponge filters and it works much better at filtering the water and keeps the environment calmer for my little guy. My beta in that tank is 5 years old which is geriatric for a beta and he knows how to communicate when he does not like something and he hated the built in filtering system. He is now happy with the sponge filter as it is much calmer with the small bubbles from the air stone and despite the extremely small size of the sponge filter, it actually works better and keeps the water cleaner than the built in filter system that came with the tank.
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Reviewed in the United States on January 3, 2022 by SMALL AQUARIUM OWNER
Size: Large up to 60Gal
Works amazing. I run 2 of these on a 125 gallon to keep it crystal clear. Very quiet and no need to use an air stone. These are very durable and easy to clean. 10/10 would recommend to anyone.
Reviewed in the United States on January 25, 2026 by Caleb
Size: Small up to 10Gal
Works great. Had to trim the spokes in order to get an air stone into the middle but it's been doing a great job in my 5 gallon tank with betta, snail, and shrimp.
Reviewed in the United States on February 2, 2026 by A. Stevens
Size: M Large up to 50Gal
I have this in a 20 gallon tank for my axolotl. It has been consistently running for a few years now and has never failed me as long as it continues to get air. With the amount of filtration media, the good bacteria growth is insane. Makes no noise at all compared to hang on back filters. And is easy to hide and fit behind Hardscape.
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Reviewed in the United States on February 17, 2026 by Jack Fiss
Size: Middle up to 20Gal
Works really well in my tank with a beta and 3 tetras.
Reviewed in the United States on February 23, 2026 by cory shriner