P. stonei culture

[AdamD]

Two very nice stoneis in this thread, but I think it's officially been hijacked. My stonei is about the size of the 2007 plant and I'd love some tips on getting it to the size of the 2013 plant, or even the plant in the original post... It's bright, warm, humid, but what about Ca levels, do you add oyster shell or lime? I am using K-lite diluted to 50 ppm N, 2 out of 3 waterings. It seems happy.