Yes I am on untreated well water. I didn't go back and review what I had written but I think I may have noted that.
I still use a 5G pail of tank water to store and rinse the bio media but I don't think there would be a problem rinsing the mechanical media and pads in treated tap water.
I still use a 5G pail of tank water to store and rinse the bio media but I don't think there would be a problem rinsing the mechanical media and pads in treated tap water.