Hydrogen Peroxide is an active agent material composed of nothing more than water and oxygen. The oxidation process of this material is incredibly good at killing disease organisms, and HP is considered one of the world's safest, all natural, sanitizer. It literally 'burns' micro-organisms by oxidation.
Sutro Tower is owned by Sutro Tower Inc., which manages the structure and the leasing and use of its spaces. See the Videos
Here is a great documentary about Sutro Baths made by Juli Lopez, who was a student at the Academy of Art here in San Francisco. There is some great black and white footage from inside the baths! The Ruins Today... If you watched the documentary, you know that the tragedy of Sutro Baths is that it burned down in 1966. What wasn't mentioned in the video is that for several years before, the revenue it brought in wasn't enough to cover its operating and maintenance costs, and it had to close.