Cinnamon powder in S/H growing

[Zoren]

,, again.
I re-potted two of my Phalaenopsis (when they re-bloom maybe someone can help me with putting names to them), any way. I cleaned up the roots from its medium (Sphagnum moss) and cut away some old dead roots. My question is: 'should I put cinnamon powder on the cut roots if I am growing S/H'. I read that you shouldn't mix any organic material to the LECA when growing S/H (cinnamon is a bark from a tree). All responses will be help full...Zoren...