Iron, Calcium, Lime, Radium,  or what in the water did your Bandit's
like the best?

There are several different cartriges that will go into the canister of
the filter that will lower whatever you have in your well, or city water
supply.

I'm on well water and the charcoal filter lower's what is coming out of
the end of the hose, just fine.

Works for me anyway.