Water world

is there anyway to just make a water world with multiverse

all i have found is this but i dont want every 100 blocks https://www.spigotmc.org/threads/multiverse-water-world.513606/

SpigotMC - High Performance Minecraft

Hi,

I am trying to create a world that is entirely water. I've done it before using. Multiverse, but I forget how it was possible. I am still...