This Water Chemistry Calculator calculates the ppm of all the important brewing ions based on the water volume and the mass of the salts you add.

Instructions:

• Make sure you have Javascript enabled.

• Enter the volume of water you are treating.

• Enter a number for each salt you want to add (under the Mass Added column) and click Calculate

• If you don't have a scale use the following:
  

  CaSO4 (gypsum) 0.25tsp / g
  NaCl (table salt) 0.17tsp / g
  MgSO4*7H2O (epsom salt) 0.22tsp / g
  CaCl2*6H2O 0.29tsp / g
  

Water Type		Ca	Mg	Na	HCO3	SO4	Cl
Burton-on-Trent	Strong pale ales	268	62	30	141	638	36
London	Sweet stout, porter	90	4.2	24	123	58	18
Yorkshire	Malty pale ale	105	17	23	153	66	30
Dublin	Dry stout	80	19	1.0	164	5.0	1.0
Edinburgh	Malty amber, brown ales	140	36	92	270	231	60
Dortmund	Export lager	260	23	69	270	240	106
Munich	Dark lager	80	19	1.0	164	5.0	1.0
Pilsen	Hoppy pale lager	7.0	0.8	3.2	9	5.8	5.0