3 ms·

I somehow got copper in my fish tank... Don't.

• nxc18 9y ago
  Lots of fish medication is copper based due to antibacterial/anti-parasitic action. Real bad for invertebrates though.
  • Filligree 9y ago
    In retrospect, the dead snails should have been a sign. I got a lot more copper in the water than fish could survive. Fortunately there were no fish in it yet.