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Air stone or not?


Matuva

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Hi all;

hot days are coming back. I just received some CRS and golden bees. I have a good tank set for receiving them, heavily planted, no nitrites, TDS 130, KH 1, yada, yada...

But; water temperature is around 26~27°C ? I know this is not good...

I'm trying to cool the tank as much as I can. I heard about adding an air stone to gain around 2°C lower. True or urban legend?

I also heard that adding an air stone is not trully a good thing in heavily planted tank in the fact that it reduces CO2 by moving the water.

Any opinion to share guys? Pro & cons?

Thanks!

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I cannot confirm or disprove if the adding an airstone will reduce temps or not.

But it theoretically could by increasing surface agitation which then increases evaporation rates, which cools water.

Doesn't hurt to have extra surface agitation from an airstone.  Try it.

Adding air flow (with a fan) across the surface of the water would increase the cooling capabilities of just an airstone.

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If aeration increases the water surface area, then it will likely increase evap, which yes should cool water. But theres other variables, chief of which is the temperature of the air being injected into the water.

 

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