what happend to my plant?

zigur

New Member
Joined
31 Dec 2008
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Hi All!

I would like to know your opinion about my plants? I don't know what happened to them.
These are the Symptoms: My red plants, like Rotala,ludwigia repens,echinodorus x barthii, lost their red colour. First they were dark red, and then became brown. they don1t seem to have any deficiencies, and grow fast, but I don't know why is the colour-changing.
The only thing that changed is the KH of the water from 6 to 8, the temperature raised because of the heat outside. I changed the micro nutrition from Easy life to EI method dosing (Haacks Micro+). what can be responsible for my plants?
 

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