running co2 with lights off ?

[Corbin]

Originally Posted by cityreefer

i have been running co2 for day and night for the last month with no problems but this morning i have a rainbow dead. tested all the basics ph, no2 no3, kh, gh ,ammonia all are good.
does anyone lose fish at random like this i cant see how this would happen

havnt been in the hobby for long? lol no offence, but lossing a random fish isnt much. back in my days in LFS i use to through out handfuls every shift