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Apply as a growerMermaid Weed key facts
- Growing Difficulty
- Intermediate
- Size
- 10-30cm
- Temperature
- 20〜28℃
- Watering
- CO2 recommended + liquid fert + iron
- Lighting
- Under strong lighting the leaves turn orange to copper-red. With insufficient light the attractive submersed leaves and colour are hard to achieve.
- CO2 & Fertilizer
- Liquid fertilizer containing iron is important for colour. Combine it with CO2 injection to bring out the red texture in the mid- to background.
- Water Temperature & Quality
- Aim for 20–28°C and slightly acidic to neutral soft water. Once conditions are right it grows robustly.
- CO2
- Improves growth. Maintainable without
- Trimming
- Propagate by replanting. Slow growth means less trimming
- Cautions
- Emersed and submersed leaves look very different. Emersed leaves at introduction are replaced underwater by deeply cut leaves, so be patient.
Handy Growing Tools for Mermaid Weed
Learn more about Mermaid Weed in the encyclopedia
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Care difficulty, size, origin and light needs — all basics covered.
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