Nautilus
Well-known member
Yep it is 500 for human consumption.
http://geoinfo.nmt.edu/labs/chemistry/quality.html
reefdaddy1 are you saying he makes his own DI resin? This is regulated material and there is only a couple of places in the world that make this stuff.
http://geoinfo.nmt.edu/labs/chemistry/quality.html
reefdaddy1 are you saying he makes his own DI resin? This is regulated material and there is only a couple of places in the world that make this stuff.