The Planted Tank Forum - View Single Post - New set up very yellow water, do a water change?
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Old 01-11-2013, 02:33 AM   #2
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The water is being stained by tannins leaching from the dirt. You can do a water change to clear things up, but it probably won't last long. I'd imagine the dirt will continue leaching tannins for a while. The tannins won't harm the plants in any way.
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