Congratulations for motherhood dear I also have same confusion my de tells me that v can start giving water to baby after 6 months. .as till 6 months only breastfeeding milk or formula milk should be given ..he tells Me that if v give breastfeeding milk then also water s going through milk ND if v give formula milk then formula milk v prepare in water so on both suitation water s going to baby .so no need to give water till 6 months ND advised me to give 2 ounces water in a day after 6 months ..I follow this..u can try it dear..