The Planted Tank Forum - View Single Post - Do you think this would hold water?
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Old 10-04-2012, 11:35 PM   #5
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I would not use galvanized. That is high in zinc, which is a plant nutrient in VERY low levels, and toxic at only slightly higher levels.

If you like the shape of galvanized, use a pond liner so the water is not in direct contact.
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