CO2 system in the aquarium only starts after hours?

Hello, I have a 200-liter freshwater aquarium and have had a JBL CO2 system for a while now. It doesn't run at night, and when it turns on during the day, it takes several hours for bubbles to appear. The pressure is at 1.4 bar, and I can't turn it up any higher. Air is also reaching the diffuser. Is this normal?

Thank you!

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Jensen1970
1 year ago

Das Rückschlagventil ist eventuell defekt.

Es gibt auch speziellen CO₂ Schlauch.

Jensen1970
1 year ago
Reply to  Geee87

Das sollte so nicht sein.