As you know, Carey Reams identified almost a quarter of a million different calcium compounds.
Now Alexander F. Beddoe (who applies Reams Biological Ionization Principles & Techniques) sells a CALCIUM KIT book explaining how to find out exactly the type of Calciums your unique body chemistry needs.
He also sells different calciums in his website:
Calcium Citrate, Gluconate, Lactate, Carbonate, etc. besides Lime Water.
My guess is that we are covering all that with the Moreless Alkalising Drink: Lime Water, Epsom Salts, Kelp, BSM and Lemon…