Saw this on another thread while looking up ALK info, thought it seemed pretty cool way to produce your own ALK and CALC solution to dose with. Im wondering if anyone has done this before or if anyone new of it working, seems like this site has quiet a bit of research behind it as well;;;;; check it out,,,,,,
http://www.advancedaquarist.com/2004/4/chemistry#section-3
http://www.advancedaquarist.com/2004/4/chemistry#section-3