first-this is beutiful orchid that produce lovely fragrence of chocolet-good for you
about the orchid:
give care just like the rest of your onc........i have 2 of`em in 2 difrent var.
this is the strongest onc-bloom each year like an animal and grow real nice(produce lots of bulb`s each year).
if you ask me-i wouldnt put any perlite at all.....actualy nothing is better than sphagnum
just like the rest of the onc. it like to almost dry out betwin the waterings
enjoy the new onc-show us the next bloom