So, you're drinking and taking antibiotics at the same time
CO2 is a highly unstable gas dissolved in water. Surface agitation created by the bubbling will make the CO2 gas off.
If you want to keep things in check, dose less CO2. In my opinion, a canopy is more of a design thing than a functional component useful to an aquarium.
I would assume if you increased the CO2 bubble rate to compensate you could do that. I would just install an exhaust fan to exchange the air under the canopy, an added benefit would be removing the heat from the lights.
CO2 does not force you to increase light if we're talking about plant growth. It's the other way around. Also, from the fish's perspective, the O2 produced by the plants will not keep them from dying if you go over board.
The water that you get from tap has a lot of dissolved CO2 in it so not necessarily. But hey if you are seeing nice growth and little algae, keep doing it. We don't know how much light you actually have so you might have 70 PAR or 5. That will determine how much CO2 you need for the most part.
Ok, ok, there's this misconception that somehow the Oxygen bubbles increase O2 levels. They increase the O2 levels by the surface agitation they create. Not because you are fizzing gas in the water. O2, as far as I know, is less soluble in water than CO2.
You may run the airstone at night, if you want to, but that will not save your fish during the day.
Funny enough I was recently reading an article about air stones and it mentioned all it does is move water.
So even still I'll try that and use the fx5 once again solely for co2/filteration.
Many thanks all.
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