Choosing an Alk/Ca Additive
•Balanced vs.
Unbalanced
–20 ppm Ca per 1 meq/l
Carbonate
•Sources of Unbalanced
additives:
–Baking Soda: NaHCO3
–Washing Soda: Na2CO3
–Commercial
Buffers: mix of carbonate/borate
–Turbo Calcium: CaCl2