I think I've decided to stay non-co2 on my tanks now for a while. Would there be any reason NOT to use an airstone in the tanks? Will it make any difference in a non-co2 tank?

I use a powerhead to aerate my tank that barely ripples the top of my water. I have zero visible algae, good plant growth, and happy fish. I use excel so I'm not completely non-co2. I believe even when using CO2 a little aeration is a good thing. At least that is what I've concluded from reading this forum. I'm not sure an air stone counts as a little aeration though. Never used one.

Just use small filter, there's no need to have bubbles/aeration.

Regards,
Tom Barr

I like bubbles though!

i turn on my airstone around 10pm then shut it off in the morning around 6pm, it just makes me feel good about it.

If you like them then feel free to use them, there's no harm in running them in a non CO2 tank.