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BLOG 9 — A Complete Guide to Water for New Parents When Preparing Formula

DIGIBAL ONLINE
新手父母沖奶粉用水指南 - Philips ADD6910 45度C即熱

Must-read for new parents: What is the best water for formula? Why is a Philips RO water dispenser a must?

✍️ author:Digibal Online Editorial Team 📅renew: ⏱️ read:8 minutes 👶WHO + Pediatric Recommendations

New parentsPreparing milk powderInfant healthPhilips ADD6910

Let's state the conclusion first:Best water source for preparing formulaRO filtered waterRO can remove 110 harmful substances from tap water, including lead, bacteria, residual chlorine, and microplastics, making it the safest for the immune system and brain development of infants.The 45°C preset temperature of the Philips ADD6910 is directly the ideal temperature for rinsing the milk powderIt heats up water in 3 seconds, so there's no need to wait for it to cool down, making it especially useful for nighttime feedings.

📌 5 things parents must remember

  • 🚫 tap waterEven after boiling, it still contains lead and microplastics, making it unsuitable for babies.
  • 🚫 Bottled waterMay contain BPA/microplastics, and have an imbalanced mineral content.
  • ✅ RO filtered waterWHO + Pediatric Recommendation: Removes 110 Harmful Substances
  • 🌡️ Ideal temperature for preparing formula:40-50°C (Philips 45°C preset, perfect hit)
  • ⏱️ UV-LED sterilizationWater tank, essential for Hong Kong's humid climate

What type of water is best for preparing formula?

answer:The best water source for preparing formula for newborns to 12-month-old infants.RO-filtered waterThe reasons are threefold: (1) the infant's immune system is immature and particularly sensitive to bacteria and chemicals; (2) the infant's brain is in a critical development stage, and lead poisoning can cause irreversible damage; (3) the risks associated with emerging pollutants like microplastics are not well understood for infants, and they should be avoided as much as possible.

A comparison of the pros and cons of the 5 types of water most commonly used by parents

water source security Convenience cost suggestion?
Tap water (directly) ❌ Contains lead/residual chlorine/bacteria ✅ Low Absolutely not good
Boil tap water ⚠️ It sterilizes but cannot remove lead. Wait 5-10 minutes Low It's okay for emergencies, but not recommended for long-term use.
Bottled water (spring water) ⚠️ May contain BPA/microplastics ✅ (But it needs to be stored) HK$3,000+/year Not recommended
distilled water ⚠️ Too few minerals Purchase required middle Not recommended
Philips RO water filtration ✅ Removes 110 substances ✅ Heats up in 3 seconds HK$650/year Highly recommended

Why isn’t boiling tap water safe enough?

⚠️ 3 risks of using boiled tap water to brew milk powder

  • Lead poisoning:Water pipes in older buildings in Hong Kong may contain lead from welding. Boiling will not remove the lead; instead, it will concentrate due to evaporation. Lead poisoning in infants can cause permanent intellectual impairment.
  • Trihalomethanes:The residual chlorine in tap water reacts with organic matter after heating to produce the carcinogen trihalomethanes, the longer the boiling time, the more.
  • Microplastics:A 2024 study found that the average concentration of microplastics in Hong Kong tap water was 4.2 particles per liter, which could not be completely removed by boiling.

Is bottled water ok?

I don't recommend it.There are 3 problems with bottled water: (1)BPA and microplastic release — Plastic bottles release chemicals during hot warehouses or transportation in Hong Kong; (2)Minerals are unstable— Different brands vary greatly, and some have too high sodium content, making them unsuitable for infants; (3)High long-term costs— It costs approximately HK$3,000-5,000 per year, which is 5 times more expensive than an RO water purifier.

Why is 45°C the ideal temperature for preparing infant formula?

Scientific reasons:Ideal temperature for preparing infant formula40-50°C:
  • Above 70°C:Destroys probiotics, bifidobacteria and some vitamins (vitamins C, B) in milk powder.
  • Below 40°C:It cannot completely dissolve milk powder and tends to clump.
  • 45°C:Perfect middle value, feed directly to infants and will not burn the mouth

Philips ADD6910/ADD6911L45°C preset temperatureIt is specially designed for preparing milk powder. The traditional method requires boiling → waiting for it to cool → measuring with a thermometer → then preparing the milk, which takes at least 10-15 minutes. And the 45°C key of ADD6910Instant water output in 3 seconds, especially practical during night feeding, mothers and fathers no longer have to sleep sleepily waiting for the water to cool.

👶 Upgrade your newborn’s drinking water safety immediately

Philips ADD6910 · 45°C Instant Hot Milk Powder · RO Filter for 110 Substances

Acquired ADD6910 → Browse the entire series →

Recommended model for new parents

🏆 Top choice: Philips ADD6910 (HK$1,898)

Suitable:The vast majority of families have infants.Selling points:45°C preset + 5-in-1 RO + UV-LED + 4L water tank + 4 water volume settings.

⭐ Advanced: Philips ADD6911L (HK$2,398)

Suitable:Smart home for parents.Selling points:ADD6910 All Features + WiFi App Reminder for Filter Life (You don't want to forget to change the filter during your bathroom break).

👑 Top-tier: Philips ADD6922 (HK$3,790)

Suitable:Seeking the ultimate experience + wanting to make apple juice with cold water / ice to reduce fever.Selling points:NASA-grade Aquaporin + alkaline mineralization + instant TDS display + ice-making function.

Daily Sample Instructions for Preparing Formula (using ADD6910)

step Traditional methods Use ADD6910 Save time
Prepare water Boil tap water for 5-7 minutes Press the 45°C button for 3 seconds. ~5 minutes
Let it cool to 45°C 10-15 minutes No need (already at 45°C) ~12 minutes
Measuring temperature Use a thermometer No need for (precision ±2°C) ~1 minute
Preparing milk powder Pour water and shake well. Pour water and shake well. —
Total Time ~18 minutes ~3 minutes Save 15 minutes

For families of newborns who have to rinse 6-8 times a day, dailySave 1.5-2 hours. The happiness during night feeding is even more unquantifiable.

Frequently Asked Questions

Q1. What type of water is best for preparing formula?RO filtered water is the best. It can remove 110 harmful substances from tap water, including lead, residual chlorine, and microplastics. The Philips ADD6910 has a preset temperature of 45°C, allowing you to directly prepare milk without waiting for the water to cool down.
Q2. Can babies drink bottled water?Not recommended. Bottled water may contain BPA and microplastics; mineral content is unstable (some sodium levels are too high); long-term costs are 5 times more expensive than RO water systems.
Q3.Does the filtered water of the RO water machine affect the baby if it is too pure and has too few minerals?No. The minerals required by infants are mainly obtained from formula milk and breast milk, not from drinking water. The WHO and pediatric experts recommend using filtered pure water to prepare formula milk.
Q4.Isn’t boiling tap water safe enough in Hong Kong?Not enough. Boiling only kills bacteria; it cannot remove lead, microplastics, or trihalomethanes. This poses a particular risk to infants.
Q5.Will the ADD6910 have uneven water outlet at 45°C?The temperature error is ±2°C, meaning the actual measured temperature is between 43-47°C, which is fully within the safe range for preparing infant formula.
Q6. After switching to fresh milk, does my baby still need an RO water purifier?Need. Fresh milk does not need to be filtered for drinking, but as the baby grows, they need to drink water directly. The immune system of young children is not fully developed until the age of 5, and RO water can continue to protect the whole family.

🍼 Protecting your baby's health from their very first milk.

Philips ADD6910 · Instant heating 45°C · 110-substance filter · 2-year warranty in Hong Kong

Buy ADD6910 now → Compare the entire series →

🔗 Further Reading

→ Complete Answers to Questions about Hong Kong Tap Water Safety → In-depth review of Philips ADD6910 → Filter Replacement + Maintenance Guide

Source of information

  1. WHO Infant Growth Standards
  2. Hong Kong Department of Health — Guidelines for Infant Formula Preparation
  3. Philips ADD6910 Official Specifications
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