Originally Posted by stang5197  ... Not sure if water hardness has anything to do with it? I was going to put a Fish tank air pump in the tank to try and keep the coolant from settling. |
Water hardness can cause problems. I never have to worry because the water in our are has very low mineral content.
I made the suggestion in another thread to use the water you get for water coolers, sure it costs a bit but if it solves problems it might be worth it.