
Complete guide on how to prepare and serve plain water to your baby, by age.
Last reviewed: May 2026
Once your baby starts solids around 6 months, you can offer 1-2 ounces (30-60 ml) of water per day. Serve it in an open cup or a straw cup with meals. The primary purpose at this age is not hydration—which should still come from breast milk or formula—but to help them practice drinking skills and wash down food. Offering water with iron-rich foods like pureed meats or fortified cereals can also aid in digestion. Do not replace a milk feeding with water. Encourage self-feeding by letting them hold the cup with your guidance to develop their fine motor skills.
See what development milestones to expect at 6–9 Months — cognitive, motor, language, and social-emotional.
At this stage, you can increase water intake to about 2-4 ounces (60-120 ml) with meals and snacks. As solid food consumption increases, water becomes more important for preventing constipation. Serve water in an open cup to encourage sipping rather than gulping. You can pair it with any meal, but it is especially helpful alongside fiber-rich foods like fruits, vegetables, and beans. Continue to prioritize breast milk or formula for primary nutrition and hydration between meals. Encourage your child to hold the cup independently to foster self-feeding skills and confidence during mealtimes.
See what development milestones to expect at 9–12 Months — cognitive, motor, language, and social-emotional.
For toddlers, water can be offered freely throughout the day. Aim for around 4-5 cups (32-40 oz; 1-1.2 liters) daily, adjusting for activity and climate. Serve water with all meals and snacks to establish it as the primary beverage for hydration, alongside their regular milk intake. Using a dedicated, accessible water bottle can encourage independence and consistent sipping. Pairing water with fiber-rich foods like whole grains and vegetables will help prevent constipation and support digestive health. Encourage self-service from a small, manageable pitcher to build practical life skills and promote autonomy in their hydration habits.
See what development milestones to expect at 18–24 Months — cognitive, motor, language, and social-emotional.
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Every child is different, and your pediatrician knows your baby best. If your baby has known allergies, was born prematurely, or has any feeding difficulties, consult your doctor before introducing new foods. If you ever observe signs of an allergic reaction — such as hives, swelling, vomiting, or difficulty breathing — seek emergency medical care immediately.
Every child develops chewing and swallowing skills at their own pace. The preparation methods shown are general guidelines; you must always evaluate your individual child's ability before serving. By offering this food, you agree to the following:
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Age and preparation guidance informed by the USDA Dietary Guidelines for Americans, the World Health Organization's complementary feeding guidelines, ESPGHAN's (European Society for Paediatric Gastroenterology, Hepatology and Nutrition) position paper on complementary feeding, and EFSA's (European Food Safety Authority) scientific opinion on the introduction of complementary feeding. This content is independently created by Dalo Baby for informational purposes only and does not imply endorsement by or affiliation with any of these organizations.
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