Quote:
Originally Posted by Ray
It is a 19-19-19 that is meant to be dissolved in water and used as irrigation, not poured on the medium first. The outer coating of orchid roots - called "velamen" - acts like a sponge to rapidly absorb nutrient ions and hold onto them, as a defense against torrential rains stripping nutrition away. By pouring the concentrate on the medium first, the plants are absorbing it full strength.
If you are using it once a week, I would suggest no more than 1/4 ml/L.
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Ohh ok I see, I’ll dilute it before I use it next time. Hopefully my plant will flower again. Thanks!