The Phal abuse ends here.

[cbuchman]

Typically flowers on the rebloom spike get smaller and smaller and fewer and fewer. Some Phals will throw a new spike as well, but with the fewer and smaller flowers. The plant never gets a chance to recoup if they're constantly in bloom. A really big vigorous plant, can do this more easily than an immature one. If you want vigorous flowering, you let the plant grow and re-spike.