The Ninja Professional Blender 1100 watt model BL663CO, is a high-performance blender used for ice crushing, blending and pureeing.

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Why are there large chunks of ice in my smoothie?

I have had my Ninja Pro for about two years and use it frequently. Recently I have noticed that it does blend as well as it used to. What can I do to return it to its former glory?

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You may want to check the condition of your blades. Over time the blades may have become dull or even damaged, especially with frequent use. Replacing the blades on your Ninja Pro. is easy and relatively cheep. You can find new blades on

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