Thread: More Accurate PH test
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Old 07-11-2009, 04:23 PM   #6
ricardo48
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Join Date: Nov 2008
Location: UPPER RISSINGTON
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ricardo48 has started an aquariumricardo48 has started an aquarium
only co2 drop checker i have never changes colour... it only works by telling me the ph and letting use a chart to compare to my KH
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