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 1188 reviews
Holly a.M.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.

Delilah H. (St. Cloud, FL, US)
Love it

Keeps bubbles nice and small, prefect match for the sponge filter

L. (Boca Raton, FL, US)
I'm never using a different airstone!

This is the perfect airstone. It's incredibly useful being able to adjust the size and rate of the air bubbles with just this airstone. It's small but has amazing flow. It's not messy, and doesn't degrade nor crumble like the traditional airstone. I wish they sold the green spacers individually though. It does eventually clog!! Espically if you take it out of the water, let it dry, and try to use it again. It'll be completely clog. But that's a small thing, and it comes with extra green spacers.