Myriophyllum mezianum is a milfoil species relatively new to aquaristics. It was found in the east of Madagaskar, near the seashore on the banks and inundation areas of Ambodimanga river where it grows in large populations as an emersed plant, and submersed in shallow waters down to around 1 metre.
The finely feathered leaves of this delicate stem plant are of a light green, the shoot tips have a reddish tint. This is so far the smallest Myriophyllum species known in the hobby.
M. mezianum is a distinctly slower grower than the other milfoil species hitherto cultivated in aquaria. It grows best in very soft water under highly intensive light and CO2 injection. This milfoil also needs a good nutrient supply. Higher temperatures of over 25 °C are recommendable.
The individual stems ought to be planted at a few centimetres' distace to form small groups.
M. mezianum is most effective as a middleground plant.
|Temperature tolerance||18 to 30 °C|
|Optimum temperature||25 to 28 °C|
|Carbonate hardness||0 to 7 °dKH|
|pH value||4.5 to 7|
|Carbon dioxide (CO2)||25 to 40 mg/l|
|Nitrate (NO3-)||10 to 50 mg/l|
|Phosphate (PO43-)||0.1 to 3 mg/l|
|Potassium (K+)||5 to 30 mg/l|
|Iron (Fe)||0.01 to 0.5 mg/l|
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