When I'm going to make the "simulation", it makes appear a white sky, everything, even if the Channel is in the water looking down, I need some help solving this. I have some mods that could be the problem or my graphic settings to make my FPS better (I watched a video...). Here's the link of teh video and my mods including the GLASS mod:

https://www.youtube.com/watch?v=AtVrcNIIN6I

1.12.2.zip

Remove optifine

Thanks!
It worked, costing my FPS, but it worked...
Closed.