(2 pack) (2 Pack) Aqua Culture Aquarium Bubble Stone, 14-Inch

from DavdWM

I have used this product in past installations without any issues. My current purchase I am currently returning this product for the third and final time. Even after soaking warm water and using overnight both stones produced large at bubbles at the start of the stone and only intermediate bubble...

from FishLady

Unfortunately, I have to review this product negatively. It only produces bubbles loudly on one side and even with a large pump.

from Swiftbow

These stones continue to underwhelm. We have been through several and after getting the same poor results each time, bought a larger air pump thinking that was the problem. It wasn't. The distribution of air through these stones is uneven, especially if you place them under the gravel in your tan...

from Mike2014

The bubbles only came out from one corner of the air stone. I returned it and purchased a 3' in round air stone at a pet store and it works great.

from turtleguy19

I bought this for my 20 long turtle and goldfish tank, and it puts out a lot of air. There is a couple of 1 inch spaces between bubbles but it still looks good. At first, it put out about 3 inches of bubbles, but I just turned the air pump a little and it gets a lot of air now. I would highly rec...