Why is the render so weird? So I finished making the bottle, and added a simple red liquid to it. On the render preview, it looked great, but when I hit actual render, it became weird like this:


If I add smooth shading then it looks like this:


How do I fix the reflections and the little stripes around the liquid? I rendered it in these settings: Samples: 300 render, 300 preview...Resolution: 800x800px (80%)
It seems you mesh has hard edges on surfaces.
Go to edit mode, then on the left of blenders GUI in the tabs go to "Shading/UV" overthere under faces click smooth..and hit render again ..voila