This is a very good idea for a Nano Tank....Not all tanks can have a HOB or internal to go with it. Using the cheap store brand filter plus this Penn-Plax add-on, it's really help keep it clear and you can expect less water changes.
Verified purchase: Yes | Condition: Pre-owned
Did not seem to keep water clear in a 2 gallon fish bowl. Air pump is noisy for its size, and bubbles from Filter in tank are extremely loud, when I had it on My Betta would hide in his house. I am now trying a small round one from my local pet store recommendation.
Verified purchase: Yes | Condition: New
It has been so long since I bought it, that I need to order it again. It is fantastic for small tanks or vases. I have it in a really tall huge vase and my Beta fish lives in there.....
Verified purchase: Yes | Condition: New
This works great for a small tank
Verified purchase: Yes | Condition: New
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