Whenever performing water changes, introducing new fish, or adding buffer or kalkwasser to your aquarium, remember to avoid immediate pH changes larger than .1! Since pH is a logarithmic scale (meaning each whole numerical change is tenfold greater than the previous number - for instance, a pH of 8.0 is 10 times more basic than a pH of 7.0, and 100 times more basic than a pH of 6.0) even seemingly small numerical swings can equal a big change in water chemistry. Changes of greater than .1 can lead to fish death and coral bleaching!
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Not quite, pH of 8.1 is 1.3x times more basic than 8.0. pH of 10 is 100x.
Posted by: Tatu Vaajalahti | 07/03/2009 at 07:37 AM
Right, there was a typo. Thanks for the catch!
Posted by: Captive Aquatics | 07/07/2009 at 11:05 PM
Thanks for the edit, you know how these things start to spread through internets ;)
Posted by: Tatu Vaajalahti | 07/08/2009 at 03:01 PM