Soubi Seisakukei Cheat de Isekai wo Jiyuu ni Ikite Ikimasu - Ch. 32.1

[NotALewdGuy]

A-ON

 

[Lostartes]

The problem was fishy to begin with. Now it has been taken to another level...

 

[Psychronia]

Huh. We might've found the source of the pollution.

 

[N2O]

If this is the process they use to purify water, then that means that mana is both toxic (at least to microbial life) and scarily reactive to heavy metals