I really like the sizes they come in and the courser sponge. I still prefer a clear lift tube and gray base but that’s just a preference.
Looks good in the tank,quality materials used.
I dig the green color on this sponge filter! My tank back is painted black, so with a black air line feeding the filter it disappears among the plants.
I have been in the aquarium hobby for almost 2 decades and I have use almost every type filtration on the market. Sponge filters are a favorite of mine to use. But, these are one of the best if not THE BEST on the market. They work wonderful for every style of aquarium. Thanks Aquarium Co-op!!
I like the opportunity to put an air stone inside to control the bubble size. But I don't like that it doesn't polish the water. I understand the coops reasoning behind this since restricting flow can kill of bacteria, but I hope that eventually there will be a finer sponge option to polish the water that could pair with this, maybe by putting a course sponge on top and a finer on bottom. Something like a duel sponge filter to get the the mechanical and biological filtration.
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