Depends on the use of the water body - as a reservoir for drinking water it would make sense [1], if you want the water for fishing not so much. [1] https://ww

Depends on the use of the water body - as a reservoir for drinking water it would make sense [1], if you want the water for fishing not so much. [1] https://www.sciencealert.com/here-s-what-s-really-going-on-with-those-black-balls-in-the-la-reservoir https://www.sciencealert.com/here-s-what-s-really-going-on-w...