I've seem many threads asking when and how to clean atomizers but what about the carts and drip tips? It just now occurred to me that they could be potential breeding grounds for bacteria. 
I mean, they are constantly in and out of one's mouth so, well you get the idea.
I have been using the same carts for a couple of weeks now. Should I be cleaning or sterilizing them in alcohol every couple of days or so? What do most of you do? I can see these carts lasting and being re used for a long time.
Well, gotta go sterilize them and change the filler right now. Comments please.

I mean, they are constantly in and out of one's mouth so, well you get the idea.

I have been using the same carts for a couple of weeks now. Should I be cleaning or sterilizing them in alcohol every couple of days or so? What do most of you do? I can see these carts lasting and being re used for a long time.
Well, gotta go sterilize them and change the filler right now. Comments please.