The tannins eventually go away. Repeated boiling of the wood...boil, dump water, boil, dump water will also remove the tannins. Don't think UV does anything to it. Some carbon might help.Originally Posted by Snagrio
Wonder if it works on tannins... My mother's always complaining about how she can't see anything in my tank because of the driftwood staining the water brown over time (it's not nearly as bad as it used to be and water changes clear it up but she still mentions it to this day). Even though that's kind of the point because it's supposed to be a South American river bottom theme but no matter how many times I've tried to explain she doesn't get it.
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