Itronics Advances its Rock Kleen Silver/Gold Heap Leach Tailings Process Development

RENO, Nev., July 28, 2020 /PRNewswire/ — Itronics Inc. (OTC: ITRO), an emerging “Cleantech Materials” growth Company that produces GOLD’n GRO Multi-Nutrient Fertilizers and Silver, updates its proprietary Rock Kleen Silver/Gold Tailings Processing Technology development which was described in detail in a press release dated April 2, 2020.