Hi JohnnySocko,
Last year I did some experiments with Perlite in:
perlite/soilmix + autopots,
perlite/coco+autopots,
100% Perlite as a reolacement for hydroton in a dripsystem,
and finally Perlite in the netpot that goes with the DWC.
I do not like the dust that commes with the Perlite. You...