The active ingredient and its salt are not the same mass worksheet Article: https://fishymag.com/articles/aquarium-active-ingredient-salt-equivalent Scheduled publication: 2026-11-10T04:00:00.000Z Original FishyMag editorial worksheet. Worked cases are illustrative, not records of a real aquarium or treatment instructions. Chemical form and exact formula: ______________________________ Counterion, solvate and hydration state: ______________________________ Molar mass and active units per formula unit: ______________________________ Assay denominator and purity basis: ______________________________ Whether active equivalence is already stated: ______________________________ Common equivalent result with rounding: ______________________________ Unresolved label or batch identity: ______________________________