[Changing the units and legend on a piper plot]

I am trying to plot an uncharged species using the Radial Plot.  The uncharged (Be) species will not show up in my Available list.  I am using GWB 11, I have the units changed to mg/L (since there is no charge).  I even tried adding a new user defined species with units of concentration, this species also will not show up.  See below and please advise

 

 

       

 

 

 

[How to to change the defaulted ionic species on Stiff diagram?]

Can one plot a second Y axis on a Schoeller diagram using GWB 11.0.8?  Thank you, Dave