mg /l (ppm) CaCO3. 1 mmol/l. 1. 20. 50. 1 mg/l (ppm) Ca. 0.05. 1. 2.5. 1 mg/l (ppm) CaCO3. 0.02. 0.05. 1. Ammonium / Ammonium / Amonio mg/l (ppm) NH4-N.
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