This is a thread jack from the comment section of http://community.theaquaponicsource.com/group/artificiallighting . Here's the transcript from the sicko's Jon and Vlad, along with TCLynx and myself. (Read from the bottom.) Vlad: TC, just out of curiosity...why do you say "in a pinch"? Don't folks salt their systems with NaCl for the chloride ions (tonic for the fish, mitigating nitrite poisonin…