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Discussion Starter #1
So today I just noticed white stems from my rotalla, and was wondering what kind of nutrient deficency it is?
Tank:15G
ligths:55w CF
CO2: yes, ppm?
NO3:0ppm
PO4:0ppm
Working on the last 2 macros :)
 

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With a calcium deficiancy the leaves will grow in white, but I don't know if it is the same with stems.

It is important to get those N03/P04 levels up & to know your C02 levels.
 

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It could be a nitrogen deficiency or an iron deficiency. You can find out your CO2 levels by getting a pH test kit and a KH test kit. Then, use a pH/KH relationship table to find the CO2 concentration.

Carlos
 
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