Nuby rapid cool when out
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We use the grey flask when out and about. It keeps water hot for a few hours at least so it'll be fine. That's the whole point of the Nuby system xx
@Terri is the grey one different to the white one then?
The grey is insulated so keeps the water hot, the white is the one that cools the hot water x
You have to use both the white one is for cooling only. The grey is to transport hot water
I use the hot shot method so I put 2oz of boiling water from the grey flask into bottle. Add 4scoops of formula. Swirl til dissolved. Then add another 2oz of cold water from the white flask. This way just saves washing the white flask if your out long enough to have to need a 2nd bottle making. Or if you want to use the white flask for cooling only then pour 4oz water from the grey flask into baby's bottle, add formula til dissolved then pour it all into the white flask. Swirl a minute or so and then when the top of the flask is green then it's the right temp. Pour back into your bottle xx white flask will need cleaning before next use x.
I take the rapid cool and then a thermosflask with boiling water in (I don’t have the grey hot nuby one) but any flask that keeps it very hot is fine then just take formula in the pre measured little pots so can just tip it in without counting scoops x
As much as the nuby cool is good- the grey thermo flask isn’t that good. I use a thermos and that keeps the boiling water boiling all night- hope that helps x
As far as I’m aware, it’s starts to cool it straight away x