This Old House plumbing and heating expert Richard Trethewey and water-quality specialist Doug Oberhamer show how to soften mineral-rich hard water.\r \r Click here to SUBSCRIBE to the official This Old House YouTube channel: \r \r Full : \r \r How to Prevent Water Damage from Household Fixtures: \r \r How to Quiet Pipes With a Water Hammer Arrestor: \r \r How to Install a Solar-Powered Water Heater: \r \r Follow This Old House: \r Facebook: \r Twitter: \r Pinterest: \r G+: \r Instagram: \r Tumblr:
