Hi all! Need some advice please. When I turn on the CO2 supply together with the lights and leave it running for 2 hours or so, I come back later and there's a layer of bubbles on the surface of the water. Seems like the bubbles can't seem to escape!
Why is that so? Will it affect my livestock? Is it becos of the protein layer?
What should I do???








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] ..looks freaky to some people here but is a good indicator to me that photosythnesis is taking place..which means good amount of light and CO2. [
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