After all the discussion of whether
SUPERthrive works or doesn't:

, I decided to put it to a real test.
Instead of using 2 similar full sized plants, I have 3 pairs of identical seedlings that are going to be put to the test. By using three on each side, I eliminate the possibility of one bad plant spoiling the test.
They are:
2 - BLC richard muller x Cattleya landate #4
2 - SLC kauai 'Starbright'
2 - SLC ploenpit fantasy serm AM/CST
All six seedlings get the same fertilizing, watering, and light, but three of them get
SUPERthrive as directed every watering.
I am going to keep up this cycle until they are full grown and flowering, and will update their progress to the Orchid Board.

(The test started on 1-14-08)
Any suggestions to enhance this test are welcome.
Chris