Como Cylider Shaped Bar Printed Bubble Air Stone for Fish Tank

While the stones plug up and need to be replaced, this device is cleanable. BUT, it doesn't actually produce the fine bubbles that a stone does, and the smaller the bubbles, the better the gas exchange. This device produces a bubble size that is barely better than just sticking the hose in the water with no end at all.

...ARE MUCH BETTER TO USE IN PERMANENT TANK SET~UPS AS THEY DON'T CLOG LIKE THE ONES PURCHASED IN YOUR LOCAL PET SHOP.

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