User blog comment:Commandogregor1234/LoTR Mod-But with Shaders!/@comment-35946182-20190501001941/@comment-25550759-20200208020856

I've also had these issues, which is why I made the Vibrance (Chocapic13' Shader Edit) edit of these shaders, to fix those glitches. There are instructions on the pack page linked above on how to install it.