Well, nine days into the experiment and I've seen a couple things so far. Now this is from only a few samples so don't necessarily rule out anything just because of these results. I tried to keep everything the same; light intensity, humidity, temperature, etc.
Here's how things were looking today;
On pure peat moss;
close up;
On potting mix with chopped sphagnum over perlite; (sorry for the blur!)
close up;
On pure sphagnum; (well, I got the label in focus!
)
close-up;
On pure perlite;
So, I don't think I'll use the pure peat too often! The sphagnum, the perlite and the potting mix are a pretty close tie but it appears that the pure sphagnum plants are the healthiest of the bunch.
Anyone else with results please post them!