Google had promised us it was coming, and how its here: Chromecast has been updated with a new Backdrop feature that lets you display your own photos when you're not busy streaming something. You can also display popular photos from elsewhere, and news and weather snippets.
No, to soften water, you need a water softener. The salt used in the brine tank of a water softener does not directly soften the water, but is used to regenerate the resin beads in your water softener. These actually soften the water from your well by removing the hard water ions, calcium, magnesium and iron.
Install a water softener in your home. Hard water contains dissolved calcium, magnesium, lime and iron. Use water softener salts specially formulated to remove iron from water and prevent rust stains in bathtubs, sinks, toilet bowls and laundry. These water softener salts often go by the names of Rust Out, Red Out or Iron Fighter Pellets.