ADD little bit about which Grex products I used

tex/thesis.tex

@@ -844,6 +844,9 @@ Cells on the \glspl{dms} were visualized by adding \SI{0.5}{\ul}
 \product{\acd{45}-\gls{af647}}{\bl}{368538}, incubating for \SI{1}{\hour}, and
 imaging on a spinning disk confocal microscope.
 
+In the case of Grex bioreactors, we either used a \product{24 well plate}{Wilson
+  Wolf}{P/N 80192M} or a \product{6 well plate}{P/N 80240M}.
+
 \subsection{Quantifying cells on DMS interior}
 
 % TODO add a product number to MTT (if I can find it)