Question about band math in SNAP

In SNAP (Sentinel Application Platform) I am trying to find the best Band Math for turbidity (total suspended matter) in Sentinel-2A 10m resolution images downloaded from
As I understand, there is no universal Band Math for turbidity. But I do not understand how to find it. I can take water samples and use Photospectrometer in our schools laboratory. I can measure water sample absorbance in a cuvette between range 300-900nm. Is it possible to determine the best Band Math for that specific location turbidity from water samples?

Thank you.

Please be informed that this topic has been already discussed on the STEP Forum.

Please have a look to the previous post related to this topic Retriving chlorophyll and turbidity from sentinel data

With Best Regards,