A lot of people make homemade prefilters, but many of them just look like crap. The Fluval Edge looks great, fits perfectly, does the job well, and is only about $3 or so, depending who you buy it from.UPDATE: I am not using this prefilter in my main tank anymore. It is great for a fry tank or a shrimp tank where you don't want them to be sucked into the intake, but it just reduces suction and flow too much. Large debris particles were not being removed from the water. I am now using some mesh from a media bag, secured with some rubber bands, which improves flow and will still keep even my small Tetras from being sucked up.
The small size of the fry also forced me to turn off the hob filter that I was using at the time, in order to prevent guppy fry from being sucked into its intake.
Then I saw these Fluval Edge prefilters online, remembered reading that the Fluval Edge 6 gallon aquarium uses an Aquaclear 20 filter, and decided to purchase a few of these prefilters to install on my guppy tanks.
They have worked out extremely well, reducing the amount of detrius in my Aquaclear filters, while being much quicker to clean.
You simply slip the prefilter off the intake of the Aquaclear filter, rinse it under some filtered water, and reinstall it. The entire process takes less than a minute.
As such, this author highly recommends the Fluval Edge prefilter for use on the aforementioned Aquaclear hob filters.
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The pre-filter sponge is useful when you are breeding small shrimp and fish, as this will stop them from being sucked into your filter.The foam flows very well as long as it is properly maintained. I find that I need to rinse out the foam because it collects a lot of fine particles especially after a water change where debris in the gravel gets kicked up into the water. I would not recommend this if you are not prepared to rinse out the sponge regularly
Having this sponge on helps keep the main filter pad from getting dirty as fast, and is simple to rinse. I enjoy the reduced costs/wastes associated with replacing a dirty filter pad
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I kinda messed up on this one, save some cash and get the three pack for 50 cents more! I accidentally clicked on the single and got this one. Imagine my dissapointment when I opened my package and saw only one... $3.49 for this little prefilter is rediculously expensive, its just a small piece of foam for god's sake (thats the main reason I gave this 3 stars)! It is really really tiny (this is the other reason I gave it 3 stars), I expected it to be a little bigger well much bigger. But if this is the size your looking for it is a good product and fits well on smaller HOB filters with a 1 inch lift tube. At least the box was kinda nice for $3.59... Outrageous!Want Fluval EDGE Pre-Filter Sponge Discount?
Glad I purchased this pre-filter sponge for my fresh water fish tank. Just take it out once a week to clean off build up. Helps prolong aquarium filter. No cons.Save 50% Off
