actually, I am in the grow research phase...I use DWC and soil/medium growing...I am doing side by side...2 plants each
1.promix...similar to Harddon...med. cost 20 bucks...water w/ my nute mix
2. the orchid mix w/moss and perl...med. cost 7 bucks...water w/ my nute mix
3.just plain potting soil with bone meal blood meal lime moss and perl added...med. cost 2 bucks/+ingredients...water with PH'd RO water...just having fun...you know, Grandpa used to say, the proofs in the pudding! We are going to find out....later