Making water kefir is an excellent idea, especially if you are allergic to or have other problems with milk proteins or lactose. The beneficial bacteria are alive and thriving in water kefir just as they are in milk kefir. As a side note, milk kefir also uses sugar to ferment the bacteria; in the case of milk, the lactose in milk, which derived from galactose and glucose, is used in place of regular sugar, but of course lactose is also a form of sugar itself. Water kefir generally contains the same beneficial aspects as milk kefir, but generally milk kefir will have a slightly higher number of cultures than most water kefirs will which probably makes milk kefir a bit more powerful or stronger than water kefir. This is not to say that water kefir does not contain many benefits and in many cases is preferable to milk kefir. You can also make kefir from coconut milk as well as goat’s milk if you are allergic to cow’s milk or lactose.
Water kefir grains as well milk kefir grains can be purchased online at KefirLady.com, Cultures for Health, Wells of Health, and even Amazon as well as other online stores.