"Mul" means "water in Korean. Yeolmu Mulkimchi is a cold soup/liquid style Kimchi. It's very popular during summer for its cold soup and crunchy veggies. It's also good as the base for Yeolmu Mulnaengmyun too. Yummy!
Basically, just like all the other Kimchi recipe, veggies will be pickled, washed, and mixed with spices at the end. Do you start to see the pattern? So let's start!