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These are the best air stones out there. They are weighted so they naturally sink. They can be taken apart so that if they were to ever clog, they can be cleaned or replace the disks outright.  They also work great inside sponge filters. Really they are the best air stone money can buy. Instead of replacing a cheap ceramic air stone every 4-6 months as they get worse and worse for bubbles, install one of these once and nearly never worry about it again. Tighten or loosen the disks to change how big the bubbles are.

Never Clog Air Stone

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These are the best air stones out there. They are weighted so they naturally sink. They can be taken apart so that if they were to ever clog, they can be cleaned or replace the disks outright.  They also work great inside sponge filters. Really they are the best air stone money can buy. Instead of replacing a cheap ceramic air stone every 4-6 months as they get worse and worse for bubbles, install one of these once and nearly never worry about it again. Tighten or loosen the disks to change how big the bubbles are.

Customer Reviews

Based on 118 reviews
97%
(114)
3%
(3)
1%
(1)
0%
(0)
0%
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A
A.R.
Wow?

This little air stone is underrated. Adjustable, with replacement parts if ever needed. Super easy to figure out. Tighten the pads for finer bubbles, loosen for larger ones.

M
M.L.
Fantastic

If I could give these a 10 star I sure would they works wonders perfect with the sponge filters.

T
T.C.
The perfect stream of bubbles

Switched it out from my disintegrating ceramic air stone. Right away I noticed a more consistent bubble and air flow. Also my air pump has been a lot quieter since the switch!

M
M.T.

Good product. Have had them running for a while.

d
d.k.

Put them in my sponge filters, been running for about two weeks-- so far, so good.