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Cleaning and Sterilizing




Q: Why did the hole tear when I used the special brush on a silicone rubber Y-cut nipple?

The rubber around the hole of a nipple is thinner than the rest. Silicone rubber nipples tear relatively easily, although otherwise they wear well. If you wash them with a nipple brush, be sure to press the tip of the nipple with the pad of your finger while doing so.


Q: What are the Nylon Brush and the Sponge Brush used for?

Nylon Brushes are stiff, so they are appropriate for glass nursing bottles. They are not suitable for plastic bottles, because they will cause tiny scratches on the bottle after repeated washing. Use the Sponge Brush to wash plastic bottles.


Q: Can the Straw Brush be used on any kind of straw?

It should be used with the Straw cup (portable). You can use it on other straws, but only those with an interior diameter of more than 3.5 mm.


Liquid Cleanser


Q: When I use Liquid Cleanser for Nursing Bottles, do I apply it directly to the bottle?

As with other general household and kitchen detergents, you can apply it directly with a brush or sponge as well as soak things in it.


Q: How long can I use Liquid Cleanser for Nursing Bottles after opening it?

Once you have opened this product, be sure to use it up within one year.


Q: Why doesn’t Liquid Cleanser for Nursing Bottles foam up very much?

This is an extremely safe detergent made entirely of non-toxic, food-grade compounds, but it does not foam up very much. However, it has enough cleansing power to wash away milk residue, so you can use it with confidence.




Q: How long should I continue sterilizing nursing bottles and nipples?

Babies have little resistance to harmful micro-organisms. Until your baby turns at least 3 or 4 months old, you must sterilize the nursing bottles and accessories. Even after that, you’ll feel safer if you sterilize the bottles and accessories when your baby is not feeling well, during the rainy season, when mold is likely to grow, and during the hot summer months.


Q: Should I sterilize nursing bottles and accessories after each use?

Yes. Breast milk and infant formula are full of rich nutrients, and are ideal breeding grounds for micro-organisms. Be sure to sterilize bottles and accessories after each use. There’s a tendency to get hung up on sterilizing bottles, but you should think of the process in terms of a single cycle: Washing–>sterilizing–>storage–>preparation–>feeding–>washing. Wash the bottles clean, make sure that they’re sterilized, and store them correctly afterward to avoid recontamination.


Q: Should I sterilize everything my baby comes into contact with? Are there certain things I can’t sterilize?

Until your baby is 3 or 4 months old, you should sterilize everything that goes into his or her mouth or that he or she can come into contact with. There are three methods for sterilizing: boiling, steam sterilizing in the microwave oven, or soaking in chemical sterilizing solutions, but not all methods are suitable for all products. The following products cannot be sterilized using certain methods. Before you try to sterilize a product, refer to the instructions on the package and confirm that you are using the proper method for that product.

Boiling: Products that cannot withstand heat of 100℃ or higher.

Steam sterilizing in a microwave oven: (Use the special container for sterilizing). Products that cannot withstand heat of 100℃ or higher. Products made of materials that are not microwave-safe (metal, wood, natural rubber, glass that is not heat resistant, some plastics)

Chemical sterilizing solutions: Products with metal or wooden parts.


Q: What are the methods of sterilizing various items?

There are three principal methods for sterilizing nursing bottles and accessories: boiling, steam sterilizing in the microwave oven, or soaking in chemical sterilizing solutions. Learn the pros and cons of each method before deciding which one is right for you. Using the microwave oven makes it easy to disinfect bottles and accessories. There are containers that let you disinfect several bottles at once, as well as space-saving bags.


Q: Is it all right not to sterilize items if I use Liquid Cleanser for Nursing Bottles?

Liquid Cleansers are used to remove milk stains or dirt that accumulates on baby items after usage. It does not sterilize the products. We recommend all baby items that come into contact with baby’s mouth be washed by Liquid Cleansers and that sterilized by the conventional boiling, steaming or sterilizing tablets methods.


Q: Do the Nursing Bottle with Wide-neck Peristaltic Nipple and the Nursing Bottle with Low-flow Nipple fit inside the Microwave Sterilizer?

The Microwave Sterilizer holds 3 of our regular bottles, but it holds only one set of either the Nursing Bottle with Wide-neck Peristaltic Nipple or the Nursing Bottle with Low-flow Nipple, because these have a larger diameter.


Q: What products do you recommend for sterilizing bottles and other feeding accessories while travelling?

It is important to sterilize bottles and accessories thoroughly even while traveling. Compact, easily portable products include our powdered antibacterial Chemical Sterilizing Solution and the Microwave Sterilizing Bag for steam sterilizing bottles in a microwave oven. If you have access to a plastic container that holds 2 to 3 liters of water, use Chemical Sterilizing Solution. If you have access to a microwave oven (500 to 700 watts), then the Microwave Sterilizing Bag is a convenient option.


Q: Can I use the Microwave Sterilizing Bag and Microwave Sterilizer even though my microwave oven doesn’t have a turntable?

Microwave ovens with turntables distribute the electromagnetic waves evenly through the rotation of the turntable. However, even if there is no turntable (or it doesn’t rotate), you can use any microwave oven that distributes the electromagnetic waves evenly throughout the oven. Read the instruction manual for each microwave oven to find out if it meets these conditions.


Q: Can plastic nursing bottles be sterilized in a microwave oven?

Yes, they can be sterilized in a microwave oven. This process is also known as “steaming,” in that the water in the container is converted to steam, and it is the heat of the steam that sterilizes the bottles. PIGEON’s plastic nursing bottles have the appropriate heat resistance for this process and can be sterilized in a microwave oven.


Q: Can I use a microwave oven with an output greater than 700 watts?

You can use microwave ovens that output between 500 and 700 watts. However, avoid using microwave ovens with outputs of over 700 watts, because the excess heat may lead to deformation of the items.


Q: Why did the bottle melt when I sterilized it using the Microwave Sterilization Bag or the Microwave Sterilization Case?

The Microwave Sterilization Bag and Microwave Sterilization Case are products that sterilize bottles and accessories by converting the water inside the bag or case to steam using electromagnetic waves. Normally, the Bag or Case is filled with steam until sterilization is complete (when the temperature inside reaches about 100℃), but if the electromagnetic waves are concentrated in one spot for some reason, the items inside the case, including glass or plastic nursing bottles, may be deformed or even melt.

This can happen if:

  • There is dirt or residue on the container or bag; or there is dirt or residue on the turntable.
  • You did not use enough water.
  • You heated the container or bag longer than the specified time.

Excessive overheating may cause the container or its internal parts to catch fire. In the unusual event that items inside the microwave oven catch fire, please follow the advice in the troubleshooting section of the instruction manual for your microwave oven. After the fire is extinguished, wait a little while before opening the door.



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