Ziss Adjustable Air Stone

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

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.

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.

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

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.