Well from the sounds of it they already know everything so it would be a waste of your time. Typical LFS.
As for needing oxygen well there's oxygen in the water, so what do they think it needs an air stone? Sounds like they're probably also pushing wet dry's, no wonder they're having problems. I definitely wouldn't be buying anything alive from them.
As for needing oxygen well there's oxygen in the water, so what do they think it needs an air stone? Sounds like they're probably also pushing wet dry's, no wonder they're having problems. I definitely wouldn't be buying anything alive from them.