Chc

[Rick]

It seems everyone is wondering about MSU's orchid fertilizer, and discussing such things as why 125 ppm, and what about the micronutrients, etc., etc.

Why not go to the source?
https://www.msu.edu/~goddengr/publications/publications.htm

Note "likes clay pots and BASKETS" , Application for non paphs at 125 mg/L N "less for paphs".

I didn't see what the substrate of potting mix is.