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Old 07-12-2016, 03:30 AM
GpsFrontier GpsFrontier is offline
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Join Date: Mar 2009
Location: Lake Havasu AZ.
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Hello chopficaro,
What are you growing, and how do you know it needs more Phosphorous than normal?

You can buy individual raw mineral salt fertilizers hers,,,
https://hydro-gardens.com/product-ca...ers/compounds/
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