I've sorted this now - water is now being moved around. I do have another question though - does anybody know if we can add an airstone to the Aqua One 102 pump?
Hi
We've just set up our Aqua Nano 40 but I don't think it's right. The water in the tank doesn't seem to be moving. We've connected the little black thing that puts more oxygen in the water and there seem to be bubbles in the compartment at the back where the pump and the heater are but it...