if the (process-less) plate has low contrast (not all do).
pd
If you still have to do some kind of processing to the plates, why not stay with the process plates. Are they really “process-free?
These work great! Lab-Tips® Large Open-Cell Foam Swab (LT000125)Hello "SD"
The answer is YES, just pass the plate through a Lo-Chem Plate processor or gently develop in a sink using Lint-free swabs and Water - then "GUM -UP" the Plates
Regards, Alois