Underground Algae Forest

"Guys, I have this great idea for a biome! So, so, here it is; it’s like a forest, cliche, right? But it gets better, it’s underground, cliche, right? But, instead of trees, it’s algae, cliche, right?... I don’t really have many plans for this one, and don’t be suprised if it’s removed. I thought I could make this cavernous biome under the Algae Field, that uses yellow horn coral to look like massive roots of the Grass Algae, but then I realized that’s basically the Arctic Kelp Forest Caves from Subnautica: Below Zero, so...""-AmISteve"