Not sure if you folks are aware that Aluminium is considered by many leading researchers like Dr. Chris Exley and Dr. Dennis Crouse as a chief etilogical factor for ASD, and the aluminium tests are confirming the same. Seems like the only demonstrable chelation method for aluminium is silica water or a mineral water rich in dissolved silicic acid. There are plenty of testimonials from parents suggesting it does improve cognitive abilities. Take a look - https://acilis.ca/science-behind-water/