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 1183 reviews
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.

Raimundo (Belo Horizonte, MG, BR)
Its good, but clogs

I heard that the ones with blue foam never clogs, but these new green ones eventually clogs.
Its still a good air stone, the best i have ever used. But cleaning wasnt enough and i had to use the spare discs after a year.
The picture i posted its after 1 year of use, and I'm trying to get it clean

DiscusMan65 (Kimberling City, MO, US)
These Ziss adjustable air stones

I installed like you showed in your video, and I definitely like how the air bubbles expel from these better then the blue Pawfly stones.

Phil (Cumming, GA, US)
8 months with no signs of clogging

I've had this air stone now for 8 months. Hasn't clogged yet. Much better than the more expensive ceramic air stones that get coated with algae and clog. I plan on buying several more of these to replace all the air stones in my other tanks.

Justin T. (Mount Vernon, WA, US)
Works just as advertised!

Instead of traditional ceramic air stones, these ones use three pads that can be tightened down to increase the size and stream of bubbles. It comes with 3 extra pads which tells me that these pads might exhaust their effectiveness in the future.