Nuby rapid cool - water only method

It cools really quickly, I tend to run it under a cold tap for a few seconds or just leave it to cool. A few minutes and normally good to go

We usually fill the rapid cool flask with the full amount of hot boiled water and then add the powder quickly to this and shake. Once the indicator is showing green, we just add the whole lot to his bottle. Works for us x

I do the hot shot method too. However once the light goes green, I tip it upside down again and the light goes yellow, so I wait a second time for it to go green - just to make sure it’s super cooled and then it’s perfect temp ( this is with 30ml hotshot and 210mls in the Nuby) x