Survey of 33 gal on 32 weeks - The Planted Tank Forum
 
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post #1 of 4 (permalink) Old 10-15-2007, 11:20 PM Thread Starter
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Survey of 33 gal on 32 weeks

This is the link of a survey with concentration and general apreciation of plants on 32 week
11x17 inches, 528k, pdf...

Have fun!
http://www.grafcomm.ca/33gal.pdf
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post #2 of 4 (permalink) Old 10-16-2007, 03:43 AM
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nice graph
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post #3 of 4 (permalink) Old 10-17-2007, 02:16 AM Thread Starter
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Some notes...

Some notes on that survey...

The general problem was dying crinkle tips going down on Ludwigia. Smaller close node tips and slow growth on Elodea, rotala stop growing.

1 When ph go over 7.4 problem arise ( due to relation elements absorption/ph relation????)

2 Phosphor, Boron, Zinc, Copper, Manganese, Iron, absorption can be diminish.
Boron is the more immobile element and can bring or resemble Ca intake problem...

3 Kh is not a problem (only is relation to PH)

4 High GH seem to be related to the problem (Maybe higher MG or CA)

5 Higher Ca and MG related to the problem

6 NO3, PO4, Potassium and water change do not seem to have any effect on this problem.


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post #4 of 4 (permalink) Old 06-05-2016, 11:24 AM
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I can't open the link
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