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River rocks
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04-30-2010, 02:00 AM
GpsFrontier
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Join Date: Mar 2009
Location: Lake Havasu AZ.
Posts: 1,855
Quote:
i tested all the rocks Ph level but some of the rock's Ph didn't change
Does this mean that some of the river rocks did change pH? If so were they aquarium rocks? Also how much did it change, and was it a rapid change, or gradual change?
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