well the chinese evergreen should do well in the mix, as they like Mix equal parts potting soil, perlite and peat moss.
The Peace
lily does well in a soil like one would use for
succulents & cacti. I read the ingredients list of your metro mix and your peace
lily should do well in it as well..
I personally have my Peace
lily in Miracle grow potting soil. I have had it for just shy of 3 years and it is doing well in that.