Many moons ago, I purchased 150 each of Phalaenopsis Lemforde White Beauty and Oncidium Sharry Baby from a local nursery. I moved them from flats to pots, split them into three "identical" groups, and clustered them together in the greenhouse.
Group A received my normal watering and feeding regimen. Group B got that with the addition of 1/8 teaspoon per gallon SuperThrive. Group C received the same treatment, but I substituted a stimulant formula of my own creation.
After 6 months, groups B & C were significantly larger than those receiving just fertilizer. Yes it was a small sampling, but the differences were obvious to anyone who saw them. I think my own stuff was better than the SuperThrive batch, but I was a bit biased...
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