Low performance with transparent objects

So, using DH on 1.21.6, I'm noticing that my FPS tanks anytime that I'm viewing the horizon/LODs through something transparent like glass. Just looking out the window of my house I go from like 60 to 40 FPS, and the more varied the transparency is, the worse the drop is. I also looked at the horizon through my friend's super smelter and FPS dropped to like 20. Same thing looking through the transparency effect on a Nether portal.

Computer specs:

Core i7 10700KF
64 GB DDR4
RTX 3090

I'm running at 4K w/ Complementary Shaders, native render distance set to 10 chunks and DH set to 128.
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