kev350d
Fish Crazy
Ammonium salts are naturally present in trace amounts in most water sources. They are decomposed during disinfection. Legal amount 0.5 mg/l
Look here:
http
/www.dwi.gov.uk/pubs/tap/index.htm#6
Check out the legal limits at the bottom of the page (also sheds some light on why tap water can be unkowingly dangerous to our fish) .
Look here:
http

Check out the legal limits at the bottom of the page (also sheds some light on why tap water can be unkowingly dangerous to our fish) .