Dr Brown Bottles NOT PBA Free!!!

Hi,<br> <br> I bought 4 bottles of the Limited Pink Wide neck bottles. When my little one went to creche, I placed it in the DR Brown Sterilizer to sterilize it before I use it, and 2 of the 4 bottles had a very sharp smell in it. I couldn't use it so I bought 2 new ones, and threw that away, thinking it was maybe something wrong with it, but now these 2 also smells like that! I really like DR Brown bottles, I don't want to change. Hope that I can get feedback from Dr Brown and that they will be able to assist me with this problem.<br> <br> Regards,<br> Veronica