Bottled Silica Waters from around the World
You need 48 ppm or more of OSA to remove aluminum.
Appendix I – Bottled Silica Waters of the World This following list of silica waters of the world was provided by Mr. Paul Watling and http://www.finewaters.com/bottled-waters-of-the-world. The table can be found in my Silica Water book.
Dennis N Crouse, PhD Harvard, Scientist and Author