{"product":{"product_id":"B01N1QUGKI","title":"A WALK ON THE DEEP SIDE","price":"6.97","image_url":"https://m.media-amazon.com/images/I/41N8ryQH7ML._SL500_.jpg","url":"https://www.amazon.com/dp/B01N1QUGKI"},"comments":[{"body":"If you progress through a technical program, eventually it'll become an option for you.  \r\n\r\nIf you like deep diving, I recommend reading \"[A Walk on the Deep Side](https://www.amazon.com/gp/product/B01N1QUGKI/ref=oh_aui_d_detailpage_o03_?ie=UTF8\u0026amp;psc=1)\" by John Kean. It's an enjoyably read about everyone racing to set deep diving records in the 90s and 2000s, and talks a lot about gas mixes and tank configurations and the like.  [Check out this crazy config, for example](http://i.imgur.com/4LGNd.jpg), worn by Leigh Cunningham in the Red Sea. ","subreddit_name":"submechanophobia","author":"Me_for_President"}]}