Ziss Adjustable Air Stone

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  • Reduced Maintenance
  • Adjustable Bubble Size
  • Weighted to Sink

These are one the best air stones out there that money can buy. They are weighted to sink naturally and can be taken apart if they ever were to clog - so they can be cleaned or the disks replaced. They also work great inside sponge filters. 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 1190 reviews
David H. (Groton, CT, US)
I love these! I.

I had 2 for years, and now I have 4 going. I’ll never use the cheap air stones again.

L.O.M. (Oakland, CA, US)
Great air stone.

Ever since I installed this airstone with one of my sponge filters from aquarium co-op, I no longer hear the loud popping sounds from large air bubbles as before. Easy to clean and easy to adjust the desired bubble size. A must buy !!.

Holly W. (Ely, MN, US)
So easy! Great bubbles!

I find this so easy to adjust the airflow right from the stone itself. Easy to clean if need be, but I doubt it will get clogged.
Definitely need a few more

Samuel P. (Portland, OR, US)
Super fine and quiet

When I heard Cory hyping these up I was honestly a little dubious. I didn't realize how much of a difference a better air stone can be! This makes far finer bubbles with less noise than any of my previous ceramic stones, and is easier to keep at the bottom of the tank. I doubt I will be using anything else going forwards.

John S. (Faribault, MN, US)

I have found these to be the perfect air stone for mu Aquarium CO-OP awesome sponge filters. I clean them up at the same time I clean the sponge filter. I like to check the filter pad in the air stone at that time as well, check to see if the vent thingy needs to be changed or at least rinsed off.