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Cu in fertilizer

Posted by bromadams (My Page) on
Sun, Nov 23, 08 at 21:47

Does anybody think that the bit of copper/CU that is in many fertilizers is going to have a negative effect on a bromeliad? The orchid fertilizer that I've been using does have a trace.

Does anybody have any pictures of bromeliads suffering from copper poisoning?


Follow-Up Postings:

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RE: Cu in fertilizer

It wont hurt the broms...almost all fertilzer has trace metals in it


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RE: Cu in fertilizer

I believe that products for orchids and tillandsias contain something like 0.05% CU while anything above 0.10% is considered iffy depending on the frequency of use.


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RE: Cu in fertilizer

Yes, 0.05% is what my orchid fertilizer has. I did just buy some Shultz liquid fertilizer that doesn't list any.


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