Hey.  I've had my water cooler for about 2 years now and it seems this problem has been popping up recently.  I had to replace my water last week because there were tons of bubbles in it.  Every once in a while, the water level goes down beacuse of the bubbles.  After replacing the water, the tubes look like they're being sucked inward, as in theres negative pressure in the system.. what's causing this? Thanks
 
Save the trees.. wipe your ass with an owl.

lack of air in the system? (i mean in the resiovour (sp?))
Let some air in to the system, i cant think of anything else.
 
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