Weakly alkaline water means that the PH value of water is weakly alkaline. In fact, most municipal tap water is weakly alkaline.
Some experts and scholars believe that small molecular water and weakly alkaline water are beneficial to human health, but they have not been recognized by authoritative experts and scholars, government organizations and institutions. In 2007, the Ministry of Health issued an announcement prohibiting the promotion of the health care functions of weakly alkaline water and ionized water.
For the health of you and your family, I suggest you don't be such a healthy mouse, and be an experimental animal of the manufacturer.