I know from my wifes house plants that we are subject to some mineral deposits in our water. It is no secret that the City of Waukesha delivers hard water. I am about to start experimenting with starting seeds indoors. Does anybody out there do anything special in regards to mineral heavy water? I remember when I was a kid that my mother would put her "plant water" in a jug to let it settle. Does this help? Is there a better solution? Should I even worry when we're talking about seedlings that will only get this water for a short time? Our older houseplants have a crusty sediment around the edge of the soil.