Themuleous
Fish Connoisseur
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Yes plants only take in CO2 while the lights are on, release O2. They take in O2 and release CO2 at night.
If the plants are pearling then it's probably not a lack of O2, as the plants only pearl when the water is saturated with O2, hence is doesn't dissolve into the water and creates a bubble well that's as I understand it.
Sam
If the plants are pearling then it's probably not a lack of O2, as the plants only pearl when the water is saturated with O2, hence is doesn't dissolve into the water and creates a bubble well that's as I understand it.
Sam