Pre-Filter Sponge 3 Pack for Fluval Edge Aquarium

I use this to cover the intake of my AquaClear 30. Does everything it's supposed to no surprises and no disappointments. It's nice that the hole doesn't go all the way through the sponge. Now my frogs can hang out on top of it all they want without any danger of getting their feet sucked up. :)

This 3-pack in conjunction with Amazon Prime makes this the best deal for this sponge on the market.

The only reason I gave it 4 stars instead of five was the fact that it is realy realy small. I expected it to be bigger, well much bigger (taller and a bit wider). I bought it because my neighbor gave me a prefilter sponge that is two and a half times the height and a bit wider and fits well on even my small HOB filters with 1 inch lift tubes. I thought it would be the same size but it was tiny. Luckily I found that it fits well on my smaller HOB filters with 1 inch or less lift tubes so i decided to upgrade all my smaller HOB filters and buy the three pack (I accidentally bought the 1 pack for $3.49!). It is a good deal for three of these knowing one of them on amazon sells for 3.49-as the three pack is only 3.99 (50 cents for two extra!). Great product for upgrading your smaller HOB filters! Just make sure you rinse them out when you do water changes as they have a tendancy to get gunked up and impede the flow of your fitler.

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This is fine. It's a cylindrical sponge with a hole on one side, but it isn't a Fluval. The most important difference is that the Fluvals have a hole large enough to fit on almost any HOB filter intake. This sponge's hole is about half the diameter. You have to either take out the intake tube and use two hands to really push it in, or you'll have to do what I did: take a hobby knife and cut lengthwise inside the hole in order to enlarge the opening.

It's still good for the price, but this is not a Fluval in name or design (it doesn't even come in Fluval packaging), and you'll have to do some work to get it to perform its function properly.

Read Best Reviews of Pre-Filter Sponge 3 Pack for Fluval Edge Aquarium Here

They aren't anything special. They're just the product listed. They do what I needed and I will keep buying them. They keep my baby Cherry Shrimps from being sucked up and keep large plant particles from going into the pump. I ended up cutting my into a square rather than the cylinder. I wanted more suction, and less bulkiness. Thanks!

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I use the Fluval Edge prefilters on the intake tubes of 3 Aquaclear 20 filters in 5.5 gallon aquariums, which I use as part of a sectional aquarium setup for raising fancy guppies.

I also have a 10 gallon tank as part of my guppy sectional setup, with an Eheim 2213 canister filter, which I have also added one of these prefilters to.

The Eheim's intake strainer is small enough to slip the Fluval prefilter on, and the Aquaclear 20 is the same filter used by Fluval with its Edge 6 and 12 gallon tanks, so the fit is perfect.

I use these prefilters for two reasons. The first is to prevent guppy fry from being sucked up into the main filters.

The second is to prevent much of the detritus in my tanks from reaching the Aquaclear 20's mechanical filter sponge.

I have noticed that the mechanical filters in the Aquaclears stay much cleaner since I've added the Fluval prefilters.

I remove the prefilters once a week or so, rinse them well under tap water since they absorb alot of detritus, and place them back on the filter intake tubes.

And since the main filter already has a biofilter, I don't have to worry about rinsing the prefilter in tank water or filtered water. The chlorinated tap water works fine.

These filters really have made it easier to keep my Eheim and Aquaclear filters cleaner, and they are well worth the money. Especially when purchasing them in a three pack.

Highly recommended!

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