I ordered a replacement bottom for the CT680 Ninja Blender, and there was a hiccup in the order. I was sent the wrong model by mistake, but I emailed the company and told them what happened, and they responded within an hour or two! They let me return it for free and had the correct one in the mail the same day! The problem with the model that I h
...Read MoreRead more about I ordered a replacement bottom for thead was that the single serve part wasn't registering with the bottom computer part, and it wouldn't work with that function. With the replacement, it registers the part as being connected, and it works perfectly! I was happy to find the base for sale instead of having to buy a new blender all together. Thanks ShopJimmy! Read LessRead less about I ordered a replacement bottom for the