In the pics are the co2 ppm I'm getting based on the drop test pH and kH. Then I'm trying to show how I got the sump and the overflow sealed. Also I'm showing the way I am applying co2 to the aquarium thru the serger and return and how the plants are growing.
Reason is on the co2 degassing... I've had read some post that suggest the sealing of the sump... And others say, they don't bother to seal the sump.
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