Tropical Fish Keeping - Aquarium fish care and resources

Tropical Fish Keeping - Aquarium fish care and resources (http://www.tropicalfishkeeping.com/)
-   Beginner Freshwater Aquarium (http://www.tropicalfishkeeping.com/beginner-freshwater-aquarium/)
-   -   CO2 and Water hardness (http://www.tropicalfishkeeping.com/beginner-freshwater-aquarium/co2-water-hardness-94074/)

Snappyarcher 02-22-2012 11:00 AM

CO2 and Water hardness
 
Hey does anyone understand and could they explain how co2 reduces water hardness?
Im a bit dim on this one!

Bill

Geomancer 02-22-2012 11:13 AM

I'm no expert myself... but I don't believe CO2 will affect the hardness of water. It will, however, lower the pH.

Snappyarcher 02-22-2012 11:28 AM

Ok thanks mate.... any ideas how it actually does lower the pH? I have a general hardness of 13.5 and really need to soften the water!

Bill

Mikaila31 02-22-2012 11:47 AM

CO2 lowers the pH because it is acidic. If you have hard water though it will not lower the pH very much. I least not much before the CO2 level poses a risk to the fish. Only way to really soften water is to use a RO/tap mix.

Byron 02-22-2012 12:45 PM

You can read more here:
http://www.tropicalfishkeeping.com/f...quarium-73276/


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