No potency applicable. KZ describes it as a liquid+solid concentrate that corals eat (i.e. food-like) and states it does not raise PO4 or NO3. Included per brief as a borderline vitalizer. Three different regimens across KZ sources (see regimen).
korallen-zucht.de/Meerwasseraquarium-Pflege/Elemente-fuer-das-Meerwasseraquarium/Pohl-s-Coral-Vitalizer.html
korallen-zucht.de/en/Corals/Elements/Pohl-s-Coral-Vitalizer.html
korallen-zucht.de/out/pictures/wysiwigpro/korallenzucht_guide_easy_reefing_engl.pdf
korallen-zucht.de/out/pictures/wysiwigpro/produkt_finder_dosage_schedule.pdf