"David Burton" wrote in message
. uk...
All,

Okay, Nitrites should ideally be 0.0 mg/l but at what stage do they start
becoming a problem or possibly fatal to fish and corals in the tank alike?

I would be very grateful for some kind of reply as I am getting alot of
conflicting points of view on the subject.


When nitrite become detectable and rising, it will become fatal.

CapFusion,...