May I know how many times u give lo drink gripes water and how many ml if lo is 6 months ?

Baby should drink no more than 2-3 ounces a day or as your pediatrician recommends. You do not want the water to displace the intake of breast milk and/or formula. This link is super helpful! :) http://wholesomebabyfood.momtastic.com/babyneedwater.htm#r0CdtsijXZqtZvLI.99