It is just to provide supplemental trace elements to the plants. I dont think it is absolutely necessary to do so since the soluble fertilizer and Superthrive already provide the foundation of macro/micro nutrients. But it is "icing on the cake", to fill in any micro nutrient gaps from the standard formula.
Will the plants thrive and bloom without it? Absolutely.
But who knows... it might just provide the plants that extra "ooomph!" that could push the AOS judges to nudge the score from 88 to 90.
I understand your apprehension about applying any ocean-based products to the orchids. Ocean = Salt = unhappy orchids.
But rest assured, this is a commercially processed product that removes most of the sea salts and leaves only plant-usable micronutrients.
I dont go harvesting kelp and make my own extract![]()
It does not have to be ocean based material. There are a variety of non-ocean based products that fill in the trace element gaps from the standard fertilizer mixes.
Heck, if you have an aviary collect some bird poop and mix very dilute concentrations and you got yourself a very nice micro nutrient soup.
Make sure the birds are healthy though and did not eat any questionable material (virused plants, etc).







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