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Mary McKay
Greater than one weekSo much better than the hang on back filters!!
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Megan Whitmore
10-06-2025Didnt realize how massive these sponge filters are. Definitely too big for my 5 & 10 gals, but works great in my 20 gal. I like the material of this too, more plasticy with bigger pores compared to some other sponge filters that are more foamy.
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Greg Johnston
> 3 dayI bought these for my 120 & 60 gallon tanks. Good price. Fast Shipping.
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AKbeeNewbie
11-06-2025These are working well so far. I may modify them in the future though. First off, I cleaned and soaked them in warm water for 24hrs just in case to remove any manufacturing residues from them as you should any product, but especially so aquatic pet products. After that inoculated them with proper nitrifying bacteria and put them into service. The only down side so far is that the air release holes at the bottom of the air tube are so small salts in the aquarium accumulate relatively quickly and reduce air flow, which causes cleaning in my case in as little as couple weeks. I may start by open the holes a bit to lengthen the air flow time frame (note this salt issue is normal and not because of the filter itself.). Secondly I may do the “air stone mod” (look it up online) to these filters just to simplify efficiency and slightly quiet them. Although personally for me they are not loud at all. They have been in use for few weeks now and have NOT killed any fish or other craziness others have mentioned, but again I take steps to reduce issues in the first place.
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Elijah Viramontes
> 3 dayI used this in my axolotl tank, and after about 12 hour using it, I already saw the water getting mercy. After about three days, I couldnt even see through the tank because the filter was now trapping and spitting out filth and leftover poop. Terrible product!
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Americo Costantino
> 3 dayThese sponges taco the larger debris in the tank and easy to clean easy to replace income but over and over water clarity is very good
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Vicente Runolfsson
> 3 dayLove these sponge filters! They came in with all parts needed and I immediately installed them into my tanks.
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Jose P
> 3 dayGreat value for the money, great size filters, easy to set up highly recommended!
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Jon Eric Huston
> 3 dayI’m starting an aquarium for the first time and I was advised to use these filters. The price and quality is great
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Iznvm
> 3 dayLove this!