Since new parents have zero time to read a full blog post, we’ll jump straight to the answer: FreshPure® Reverse Osmosis and Deionized Waters are both perfect choices for your new baby’s formula. Now, let’s dig into the details.
When it comes to preparing your baby’s formula, one of the most important (yet easily overlooked!) decisions you’ll make is choosing the right kind of water. While sleep deprivation can make even simple decisions feel overwhelming, don’t worry—this guide will help you choose the safest, most budget and environmentally-friendly water for your baby’s formula.
Since new parents have zero time to read a full blog post, we’ll jump straight to the answer: FreshPure® Reverse Osmosis and Deionized Waters are both perfect choices for your new baby’s formula. Now, let’s dig into the details.
When it comes to preparing your baby’s formula, one of the most important (yet easily overlooked!) decisions you’ll make is choosing the right kind of water. While sleep deprivation can make even simple decisions feel overwhelming, don’t worry—this guide will help you choose the safest, most budget and environmentally-friendly water for your baby’s formula.
Check with Your Doc
It’s best to get your pediatrician’s advice. If you’re feeling uncertain, the American Academy of Pediatrics (AAP) suggests asking your local health department about whether it’s safe to use unboiled tap water in baby formula. As a general rule, though, it’s recommended to boil water first—especially for babies under 2 months, those born prematurely, or babies with weakened immune systems. If boiling sounds like too much of a hassle (we get it!), purified water might just be your best friend.
Safety First: It’s All About Purity
Let’s get down to the basics: safety is the number one priority. While some sources suggest that tap water is okay for mixing formula, there’s a catch: many new chemicals are not yet regulated. That means your tap water could contain some potential contaminants that are best avoided when preparing food for your little one.
For the safest option, FreshPure® Waters’ Reverse Osmosis and Deionized water are perfect choiceshese processes remove contaminants and ensure that you’re only giving your baby the cleanest water available.
Bottled Water vs. Bulk Water Refills
Bottled water may be convenient, but it does come with its own set of concerns. Studies show that most bottled water contains microplastics, which could pose health risks. The research is still ongoing, but for peace of mind, you might want to go for bulk water refill options. The FreshPure® purification process removes microscopic plastic particles. And, since a well-hydrated household goes through water quickly, you never have to worry about plastic leaching into your baby’s water. If you’re extra worried, refilling glass bottles is a perfect solution.
Deionized water is another great option, as it’s essentially the same as distilled water. Both types of water offer high purity and are perfect for mixing with baby formula.
The Fluoride Dilemma
You’ve probably heard about fluoride, and you might be wondering whether it’s safe to use fluoridated water for baby formula. The American Dental Association (ADA) says it’s safe, but here’s the thing: powdered formulas often already contain fluoride, and adding more from the water could increase the risk of fluorosis—something to keep in mind if you’re trying to protect your baby’s developing teeth.
If you’re concerned, there’s a simple solution: (you guessed it) FreshPure® Waters’ Reverse Osmosis or Deionized waters.
The Well Water Conundrum
If you’re using well water at home, you’ll want to take extra precautions. Well water can contain contaminants like bacteria, nitrates, and other pollutants that could be harmful to your baby. The AAP suggests having your well water tested every year to make sure it’s safe. If you find that your well water is contaminated, it’s not just your formula that could be at risk—your whole household could be affected. So, regular testing is a must!
How to Mix Water with Formula Safely
Now that you’ve chosen the right water, let’s talk about the best way to prepare formula:
- Add Reverse Osmosis or Deionized water first, then the formula powder. This is a must! Pour the water into the bottle before adding the formula powder. This ensures that the formula mixes properly and doesn’t clump together.
- If you’re using tap water, boil it. The AAP recommends boiling water for babies under 2 months of age, premature babies, or those with weakened immune systems. Boil the water, let it cool for five minutes, and then mix it with the formula powder.
- Test the temperature. Always test the formula’s temperature by placing a few drops on your wrist before feeding. It should feel warm, not hot, and certainly not cold. If it’s too hot, run the bottle under cool water or place it in an ice bath for a few moments.
- Discard any leftover formula. Never save leftover formula. If your baby doesn’t finish the bottle within an hour, discard it. You can store unused formula in the fridge for up to 24 hours, but always follow the manufacturer’s guidelines.
And, last but certainly not least:
Never Water Down Baby Formula!
The AAP stresses this important point: never water down baby formula. You might think it’s a good way to make your formula last longer or give your baby extra hydration, but it’s dangerous. Watered-down formula can lead to water intoxication, which can cause serious issues like electrolyte imbalances and even seizures. Plus, your baby needs the full nutritional value of each feeding for proper growth and development.
In conclusion, the water you use for your baby’s formula is just as important as the formula itself. Whether you choose reverse osmosis or deionized water, the goal is the same: to ensure your baby’s health and safety. Be sure to consult with your pediatrician and follow the guidelines set by health organizations like the AAP. And remember, keeping it simple and safe is always the best approach when it comes to your baby’s well-being.
For more information on keeping your baby safe, healthy, and nourished, WIC, the CDC, and your pediatrician are excellent resources. Happy feeding!
References
- American Academy of Pediatrics. “How to Safely Prepare Baby Formula With Water.” 2024.
- American Dental Association. “Fluoridation FAQs.” 2025.
- EWG. “Environmental Working Group Tap Water Database.” 2024.
- Parents.com. “What Water to Use for Formula?” 2024.
- National Institute of Health. “Plastic Particles in Bottled Water.” 2024.