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PlantmediumFreshwater

Alternanthera Reineckii

Alternanthera reineckii

Plantae›Tracheophyta›Magnoliopsida›Caryophyllales›Amaranthaceae

📍 South America

A vibrant stem plant from South America prized for its deep red to purple undersides. It requires moderate to high light and CO2 injection to maintain its color and healthy growth. Often used as a midground accent plant in planted tanks.

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Tanks keeping this 🌿

Growing in 3 tanks

Community tanks featuring Alternanthera Reineckii.

I’m Titi

@mollygute

Biggie

@reygallardo

Manzanita B & W Cube

@michaelparker

Compatible Livestock

Amano Shrimp

Gentle algae grazers that won't damage plant tissue and help maintain tank cleanliness

excellent

Red Cherry Shrimp

Small, peaceful shrimp that won't uproot or damage delicate stems and leaves

excellent

Neon Tetra

Peaceful schooling fish that add visual interest without disturbing planted areas

good

Otocinclus

Algae-eating fish that graze on plant surfaces without causing damage

excellent

Rotala Rotundifolia

Complementary stem plant with similar care requirements; pairs well for lush planted layouts

excellent

Dwarf Hairgrass

Foreground plant that creates excellent contrast with Alternanthera's midground placement

excellent

Common Diseases

Nutrient Deficiency (Iron/Macronutrient)

Symptoms

Yellowing leaves, pale coloration, reduced red pigmentation, stunted growth

Treatment

Increase fertilizer dosing with emphasis on iron and macronutrients; perform water tests to identify specific deficiencies; adjust lighting and CO2 if insufficient

Algae Overgrowth

Symptoms

Green or brown algae coating on leaves and stems, reduced light penetration, plant decline

Treatment

Reduce lighting duration to 8-10 hours daily, increase water changes, add algae-eating fauna (shrimp, otocinclus), manually remove affected leaves

Melting (Tissue Decay)

Symptoms

Leaves becoming translucent, stems softening, rapid tissue breakdown after planting

Treatment

Ensure stable water parameters (pH 6.0-7.5, temperature 23-28°C); increase CO2 injection; perform frequent water changes; remove severely affected portions and replant healthy stems

Poor Coloration

Symptoms

Leaves remaining green without red/purple undersides, dull appearance

Treatment

Increase light intensity to 2-3 watts per liter; boost CO2 injection to 20-30 ppm; ensure adequate iron and micronutrient fertilization; verify temperature is within optimal range