Galvanized steel safety

sid_marx(Auckland, New Zealand)December 11, 2009

Hi Bromfolk,

Does anyone know whether galvnized steel is safe to use in tiered staging for bromeliads?

My concern is whether water dripping off the shelving picks up anything (like zinc/zinc oxide for example) that will harm the plants below when it drips into the cups or onto the leaves.

Thanks

John

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splinter1804

Hi John,

I've had no experience with tiered galvanised shelving, but I did grow brom's suspended on a sheet of sloping (new) galvanised mesh.
After a while I noticed that everywhere the leaves touched the mesh, they went brown, so I painted the mesh, and no more problem.

So I guess the answer to your question is that if the mesh is new and unpainted you could have some problems.

All the best, Nev.

    Bookmark   December 11, 2009 at 9:09PM
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bromaholic(9)

Hey...I and others here have had some damage from what we believed was gal mesh & support. Below link started with good advice about CCA treated timber; but also has a helpful hint for treating gal. I have since used this on new gal benches and so far so good.

Here is a link that might be useful: Try Vinegar!

    Bookmark   December 11, 2009 at 11:55PM
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sid_marx(Auckland, New Zealand)

Thanks very much Nev and bromaholic. I bought some galvanized wire mesh frames from a guy who was dismantling a commercial orchid greenhouse, they've been used as staging for years so it sounds like they'll be safe.

I'm avoiding treated wood, but am thinking of either cedar or hardwood decking timber for the legs and supports.

Thanks again for sharing the knowledge.

    Bookmark   December 12, 2009 at 12:48AM
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