Originally Posted by NinjaTetra
Well I don't know much abou rams, but my beta I had did that if there were bubbles. Nothing to worry about, unless he starts swimming upside down or sideways. That would be swim bladder trouble which could be caused by swallowing air. Try getting stuff to help the water- like Hardness Down- I saw some at a petsmart. Good luck! Your fish is probably just curious.
You shouldn't be using products like ph-up/down hardness up/down or anything like that, it isn't a long term solution and can cause wild swings that can kill your fish. Look to a more natural and stable way to accomplish these thing.
As for your ram OP, some fish are just weird and that's my thought about it but someone else may have an idea as to why yours is doing this. I do know though that my rams love the area around the airstone too, they've claimed it as there home