DIY Co2 , How to turn it off? Does it hurt fish/plants if kept on at night?

anshuman

Prolific Poster
Dec 13, 2009
37
0
6
Mumbai India
Just wanted to end this thread by updating that, Adding CO2 Drop checker solved the issue. the Drop checker never went Yellow and fish are doing good, I do not off-gas by adding any airstone at night.

thanks everyone.