Guys
The water to create the base salt comes directly from the ocean where we are sure that the balance of elements is correct for coral growth.
The raw salt is dried and then refined (cleaned) but not processed into individual elements to then re combine them as this would not make sense.
There are certain elements that partially precipitate out when dried and need to be re added and others that need to be boosted for the pro formulation.
It is obviously a little more complicated and scientific than this but you get the idea.
Stuart
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