Hello everyone,
I'm a pretty new aquarist and I have a 90l tank that has become heavily planted in the last week with various donations from people. Therefore, I've decided to get a yeast CO2 injector.
My question is this: Will constant CO2 night and day cause problems for my fish, and if so, is there any way to electrically shut off the CO2 injection overnight using a timer switch and airline-friendly valve?
Sorry if this question has already been answered, but I couldn't find an answer here using the search function

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