The Planted Tank Forum - View Single Post - R magenta and mini not growing
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Old 02-22-2013, 04:28 PM   #10
BruceF
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FWIW
Growth Characteristics

Rotala macrandra requires generous amounts of light, carbon dioxide, cool water (less than 75 degrees Fahrenheit, or 24 degree Celsius), and a healthy substrate bed in order to be successful. Nitrogen limitation is also required to encourage the rich red hues from the leaves.

Preferred water hardness tends to be in the softer ranges, however, it has been known to grow in a KH of 8.
http://www.aquascapingworld.com/plan...hp?item_id=104
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