[RightWhale]

Had an old van that was rusting from the wheels up. Tacked on a zinc plate where a panel had rusted through and the rusting stopped instantly everywhere on the van.

[blam]

"Had an old van that was rusting from the wheels up. Tacked on a zinc plate where a panel had rusted through and the rusting stopped instantly everywhere on the van."

I had a pecan orchard and the trees had a fungus on them...I put some zinc granules around them and the fungus disappeared.

Zinc is good.

[PeterPrinciple]

Had an old van that was rusting from the wheels up. Tacked on a zinc plate

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http://www.abc.net.au/science/k2/homework/s95524.htm