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The maker doses this by schedule rather than by a fixed potency, so the calculator cannot use it. Follow the directions below.
Lab line: dose from ICP-OES results toward 740-990 ppm. Max 30 ml per 100 L per day; split larger corrections over days.
param 's' is outside the requested enum. Also carries S (not tracked by the app).
aquaforest.eu/en/products/lab/microelements/sulphur/