dafuhao Aquarium Air Stone Fish Tank Nano Bubble Stone with Suction Cup and Control Valve, Bubble Release Air Stones for Aquarium, Fish Tank, Pond and Hydroponics

Nice size not too small and gives good bubble plume

fish very happy with it

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I had it in for about 5 days (had to wait on another) and it's all marked already.I have a fairly strong pump, and can get lots of bubbles if I turn it up high, but I can tell it's putting pressure on the pump. The other outlet would be firing bubbles out and this is a whisp of bubbles. I think in the long run it would damage the pump, so sent it back.

Good air stone, lots of nice fine bubbles, good suction cups. Looks lovely! The only fault I would have to say is that the stone gets dirty quickly reducing the bubbles. Also I've scrubbed it and the brown/green algae doesnt scrub off so it doesn't look very nice after a couple months.

Very good air stones. They are so cheap. Rather than try to clean the old ones. I just replace them. Every 3 or 4 months.

Extremely quiet even though it works extremely well very fine bubbles which my fish who don't like high water flow will happily swim around, couldn't be happier.

This air stone is easy to fit onto the glass and very quiet when it is working