Don’t forget the cable ties/zipties to stop the bungees slipping off and water being pumped everywhere.
Expansion chambers also work great on airlines to even out the flow. 2x100ml syringe with the plungers removed and the fat flat ends glued together are about the right size for airlines.
And if your airstones are raised from the floor, maybe by a rubber seal round each end, then the air does not make them rattle on the floor of the tank.