You’re taking salt from a large volume and putting it in a small area all at once. It kills the fish

I guess if the plan was to sprinkle the salt over miles and miles of ocean, that could work. But that’s ridiculous to implement.

Take a bunch of salty water

Remove most of the water for other purposes

You now have to dispose of the same amount of salt, but less water. It’s hypersalinated, and toxic as fuck.