View Full Version : hard/softness of the water?
fish77
03/30/2010, 04:16 PM
What exactly is hard/soft water? How does it happen? and how do I fix it?
sorry for so many questions just want to do the best for my aquarium!
Thanks for your help, fish77
bertoni
03/30/2010, 05:00 PM
Tapwater comes with varying amounts of calcium and magnesium, which I think are the major components of general hardness for most of us. RO/DI filters will remove these components, as do the whole-house filter that consume salt. The whole-house filters actually replace the calcium and magnesium with sodium, which causes fewer problems, in general. I recommend using RO/DI water in most every situation.
This article might help:
http://reefkeeping.com/issues/2005-05/rhf/index.htm
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