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HuYaYa Pre-Filter Sponge,4 Pack Aquarium Pre Filter Foam Rolls Compatible Filter Accessories for Fish Tank

4.4 out of 5 stars 1,654 ratings

Price: $35.78
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Enhance your purchase

  • DIMENSION: approx. 8.5x5cm/3.4x2 inch cylinder, the inside hole diamenter is 2.1cm/0.8 inch,please note these foam are pre filter sponges,so only have single hole.
  • ENHANCE BIOLOGICAL FILTRATION: these pre-filter sponges could help to trap particles and debris,and prolong the life of your filter media,provide efficient water flow with less clogging for long lasting filtration.
  • A MUST HAVE ACCESSORIES FOR FISH TANK FILTER: premium pre-filter foam sponges can be quickly and easily attached to the fish tank intake tube stem, preventing small, baby, or weaker inhabitants from being drawn into the filter.
  • A SECURATY FOR YOUR FISH HABITATE: give your fish pet a securaty habitate! these cylinder pre-filter sponge suit for all shrimp tank owners and anyone else who has baby or small fish in their tank,provide them a safe environment.
  • HIGH QUALITY MATERIAL: these sponges are made from the top-quality filtration foam,BPA free and safe to your fish,no harm to water PH quality, good for freshwater and saltwater environments.
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Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 8.64 x 5.08 x 5.08 cm; 9 Grams
  • Date First Available ‏ : ‎ 19 August 2018
  • Manufacturer ‏ : ‎ HuYaYa
  • ASIN ‏ : ‎ B07GMV12BT
  • Customer Reviews:
    4.4 out of 5 stars 1,654 ratings

Frequently bought together

  • HuYaYa Pre-Filter Sponge,4 Pack Aquarium Pre Filter Foam Rolls Compatible Filter Accessories for Fish Tank
  • +
  • AquaClear, Fish Tank Filter, 20 to 50 Gallons, 50v, A610
  • +
  • AquaClear 50 Foam Filter Inserts, Aquarium Filter Replacement Media, 3-Pack, A1394
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Product description

1.A must have filter accessories for your fish tank,these pre sponges are made from the top-quality filtration foam,BPA free and safe to your fish,suit for freshwater and saltwater.
2.Help to trap particles and debris,and prolong the life of your filter media,provide efficient water flow with less clogging for long lasting filtration,enhance biological filtration.
3.Give your fish pet a securaty habitate! these pre-filter sponge suit for all shrimp tank owners and anyone else who has baby or small fish in their tank.
4.Sponge size:approx. 8.5x5cm/3.4x2 inch cylinder.
5.Inside hole diamenter: approx. 2.1cm/0.8 inch
6.Package included: 4 pack pre-filter sponges,black.
7.Please note: these foam are pre filter sponges,so only have single hole.


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4.4 out of 5 stars
4.4 out of 5
1,654 global ratings

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PWill
2.0 out of 5 stars Almost Killed My Cichlid Tank
Reviewed in the United States on 12 May 2020
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42 people found this helpful
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HastenedHero
5.0 out of 5 stars Use these on penguin 350
Reviewed in the United States on 1 February 2019
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57 people found this helpful
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Linda
1.0 out of 5 stars releases something that raises pH significantly, potentially dangerous
Reviewed in the United States on 27 November 2020
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12 people found this helpful
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Brian W.
4.0 out of 5 stars Works fine with two warnings
Reviewed in the United States on 14 October 2020
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4.0 out of 5 stars Works fine with two warnings
Reviewed in the United States on 14 October 2020
I have used one for 3 weeks on an AquaClear 50 on a very crowded 10-gallon tank (more than 40 mollies making lots of poop). When the sponge is new or well cleaned, water from the faucet runs right through it almost no resistance. I didn't notice any less water output when I first installed this pre-filter, nor any noticeable decrease after one week.

But by two weeks, the output did drop. When I ran the faucet through the dirty sponge, it felt heavy as water had a harder time passing through. So warning #1 is that you have to clean it periodically or else your filter won't work as well and you risk burning out the motor. Rub the material against itself when cleaning to dislodge junk that has penetrated deeply or adhered.

Warning #2 is that you should insert the intake tube into the sponge as little as possible so that water is drawn through the entire sponge. This improves flow and prolongs time between cleaning. If you push an intake tube with a blunt end (like the end of a drinking straw) all the way in, then all of the water must ultimately pass through a tiny disk of sponge material. The concentration of flow will mean faster clogging, lower flow and motor strain.

The AquaClear's tube is actually a little smaller in diameter than the sponge's hole, so I use a rubber band to hold it in place. Even if your tube is wider, you might use a rubber band or cable tie to help keep the sponge on with minimal insertion.

The insertion problem is worsened by a manufacturing defect in 2 of the 4 units I got. See photo. In the two units that I plan to use, the hole is about 7cm/3in deep, which is almost the whole length of the unit, which is what you'd expect. But in the other two units, the hole is only about 4cm/1.7in, which is only about half the length of the unit. The shallower hole means more flow restriction and faster clogging, even if you install it with minimal insertion. This is why 4 starts instead of 5.
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12 people found this helpful
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Peter Landy
5.0 out of 5 stars It works well with a simple mod
Reviewed in the United States on 9 December 2018
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19 people found this helpful
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