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[APD] Re: cooler water holds more gas

> Increased diffusion?  Doesn't the amount of dissolved gas
> decrease as the temp rises, other things being equal?
> Scott H.

Yes, for all gases. O2, CO2 etc
Cooler water will hold more gas at equilibrium(eg a glass of water sitting
on a table after 24 hrs etc) than warmer water.

Lower cooler temps are good IME for plants. I'd ideally like 72-75F temps
for 90% of the tanks.

Tom Barr

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