What are these brown spots in the gunite of my pool? Chad in Richmond has noticed brown spots on the bottom of his pool in the gunite. What causes them and how do you get rid of them. We went to our HomeShow Pro for Pools, Colt, at US Pool for help. https://media.blubrry.com/home_show_garden_pros_radio/p/homeshowradio.com/wp-content/uploads/2019/11/EE-USP-191122-Brown-Spots.mp3Podcast: Play in new windowMore HomeShow Videos:Can I re-cycle the gunite from my old pool?What's a better choice: a gunite or fiberglass pool?How do I get brown water stains off my toilet?Why hasn't balancing my AC system eliminated hot spots?What can I do about black spots on my covered patio…