Review on 🥦 NutriBullet RX Blade - 1 Pound, Black, Powerful Blender for Optimal Nutrition by Mike Quade

I have had my Nutribullet Rx for at least 3 years and have never changed the blades. The old blade still works, but sometimes my smoothie smells and tastes burnt. I suspect that when there is a lot of ice in my blender, the tines on the underside of the blade slip, causing a burnt smell and taste. After changing the blade, I immediately see the difference. The ice cream mixes smoother and no longer has a burnt smell or taste. The instructions say the blade needs to be replaced every 6 months, so I'll probably do that from now on.