Does my camper need a water filter or water softener?

I know that we need to flush the water heater for buildup. Do you guys use a water filter or softener to help protect the water system?

I always run a inline water filter so that I don’t get build-up in the system, especially the water heater. I have never run a water softener though I have seen more and more folks with one.

@Sharon26 I am not a big fan of water softeners unless you really need one and are stationary for a long period of time. In most municipal water systems the water is not that bad. I have seen quite a few people on the road recently using units like this one: