I measure CO2 in the air. Since I use outside air, and heavily aerate with it, I don't see much change over time.
Using fresh air has been key to my stability. I still measure it though.
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Failure isn't an option It's a requirement. 660g 380inwall+280smp/surge S/L/Soft/Maxima/RBTA/Clown/Chromis/Anthias/Tang/Mandarin/Jawfish/Goby/Wrasse/D'back. DIY 12' Skimmer ActuatedSurge ConcreteScape
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