I haven't used my Mist King in about a year, and now I need to clean it ready for a new cham. I've already cleaned out the bucket, and as it's been outside, there was just a bit of dirt and pepper tree leaves in it. My question is, should I just run it through with plain water, or should I add something to clean the tubing through? Like a drop of bleach, or vinegar? There are no critters in the cage at the moment, so no harm will be done. Just wondering what's best to clean out the system.