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Anyone used the JBL SiO2 test?

dw1305

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UKAPS Team
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7 Apr 2008
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Hi all,
does it take "a while" before plants show a phosphate deficiency? Is this because aquarium plants can store a reserve of phosphate?
It is a combination of factors. Phosphorus is highly mobile within the plant, so the plant can continually shuffle it to the newer leaves. There is also the possibility that PO4--- may become available within the substrate from "insoluble" reserves. How large that reserve would be dependent <"upon various parameters">.

cheers Darrel
 
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