Sodium bicarbonate (baking soda)
alkalinity
NaHCO₃
Manufacturer data
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What one dose does
PARAMETER
1 g / 100 L
Alkalinity
+0.3338 dKH
To raise alkalinity by 1 dKH in 100 L: 3 g.
How it’s used
Alkalinity with a slight pH drop. Good for tanks that already run at high pH. Plain baking soda is fine; avoid baking powder.
Cautions
• Lowers pH slightly when dosed.
pH effect: slightly lowers.
Sources
Molar mass 84.01 g/mol.
stoichiometry (IUPAC atomic weights)