CO2 Calculator
Water Parameters
pH
dKH
Note: This calculation assumes that the only source of acidity in the water is carbonic acid (from CO2). Peat, driftwood tannins, or pH-altering substrates can skew results.
Optimal
High
Danger
CO2 Reference Chart (ppm)
Click any cell to load values into calculator
Too Low (<15)
Optimal (15-30)
Caution (30-40)
Danger (>40)
