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Diana · 10-04-2012, 11:35 PM

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.

10-04-2012, 11:35 PM	#5
Diana Planted Tank Guru (View User Tanks) PTrader: (0/0%) Join Date: Jan 2010 Location: Contra Costa CA Posts: 5,013	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.