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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 0.0001-0.0006 ppm. Max 1 ml per 100 L per day; split larger corrections over days.
• Original and NEW formulations differ in strength; check the bottle
Superseded by NEW Cobaltum (2x). Also carries CO (not tracked by the app).
aquaforest.eu/en/products/lab/microelements/cobaltum/