Acid Calculator

Enter your bicarbonate and present and desired alkalinity levels in the fields below. If you don’t know them, you can order a water assessment here.

Amount of acid needed per 100 gallons

(fl. oz. or weight oz. for dry citric acid)

Sulfuric Acid 93%	0.000 ppm S added 0.000
Sulfuric Acid 33% or Battery Acid	0.000 ppm S added 0.000
Phosphoric Acid 85%	0.000 ppm P added 0.000
Phosphoric Acid 75%	0.000 ppm P added 0.000
Nitric Acid 61%	0.000 ppm N added 0.000
Citric Acid 99.5%	0.000 * *

ppm CaCO3 to Neutralize	Sulfuric Acid 93%	Sulfuric Acid 33% or Battery Acid	Phosphoric Acid 85%	Phosphoric Acid 75%	Nitric Acid 61%	Citric Acid 99.5%
100	0.744	2.096	1.748	2.12	3.12	1.82
ppm N, S, or P	31.248	31.440	62.054	62.116	43.680