{"product":{"product_id":"B07XVN734C","title":"Digital pH 10 Water Neutralizer Backwashing System with Fleck 5600SXT 3/4\" Stainless Steel Bypass","price":"649.0","image_url":"https://m.media-amazon.com/images/I/51J-ixo2rAL._SL500_.jpg","url":"https://www.amazon.com/dp/B07XVN734C"},"comments":[{"body":"It sounds like what you want is a system designed to add a precise amount of an acid, like HCl or H2SO4, mix it,  and use a pH meter to feedback and keep a steady output pH.  I'd think that exists, but you should check Amazon.\r\n\r\nI just did.  This isn't exactly what you want, but it does something similar.  \r\n\r\n [https://www.amazon.com/AFWFilters-Neutralizer-Backwashing-Fleck-5600SXT/dp/B07XVN734C/ref=sr\\_1\\_4?dchild=1\u0026amp;keywords=ph+neutralizing+system\u0026amp;qid=1595798866\u0026amp;sr=8-4](https://www.amazon.com/AFWFilters-Neutralizer-Backwashing-Fleck-5600SXT/dp/B07XVN734C/ref=sr_1_4?dchild=1\u0026amp;keywords=ph+neutralizing+system\u0026amp;qid=1595798866\u0026amp;sr=8-4)","subreddit_name":"chemistry","author":"jme365"}]}