I have read some past threads about milk and or condensation in the tubing, where they will either clean it thoroughly bc there is milk in the tubing or just run the pump to get out the condensation. how do you know if its just condensation and just needs to be aired out vs. milk that must be cleaned and sanitized? I have a PISA by the way. Thanks!
And why the heck is it getting condensation in there. With my last LO I used the old PIS ( circa 2003) and never got condensation and I just bought a new PIS advanced and I get condensation every time! Grrrr!