Effect of Regrind on Grade and Recovery

Effect of Regrind on Grade and Recovery

How do you know if or when regrinding and applying further liberation power can improve your metal’s recovery?
Below here is data showing what is to be gained by correctly applying regrind to a copper stream.
On the graph, the red/white dot points to where the plan currently is light green Grade-Recovery curve VS where is could be on its dark green Grade-Recovery curve.
How regrinding helps recovery