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PlanthardFreshwater

Alternanthera Reineckii Pink

Alternanthera reineckii Pink

Plantae›Tracheophyta›Magnoliopsida›Caryophyllales›Amaranthaceae

📍 South America

Alternanthera reineckii Pink is a vibrant stem plant prized for its striking pink to red coloration on the undersides of its leaves, which intensifies under high light. This medium-sized plant features narrow, lance-shaped leaves and a bushy growth habit, making it ideal for creating colorful midground focal points in planted aquariums.

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Compatible Livestock

Red Cherry Shrimp

Small, peaceful, and will not uproot or damage delicate stems

excellent

Amano Shrimp

Algae control without plant damage; compatible with stem plants

excellent

Cardinal Tetra

Peaceful schooling fish that won't disturb roots or stems

good

Otocinclus

Gentle algae eater that grazes without harming healthy plant tissue

good

Rotala Butterfly

Complementary stem plant for cohesive aquascaping

excellent

Ludwigia Repens

Similar care requirements and growth habit; pairs well aesthetically

excellent

Common Diseases

Melt / Transition Shock

Symptoms

Leaves become translucent, mushy, or fall off rapidly after planting; stems may rot at substrate line

Treatment

Ensure stable water parameters (pH, temperature, hardness); maintain high CO2 and lighting; trim affected portions and replant healthy stems; be patient as plant acclimates over 2-4 weeks

Iron Deficiency (Chlorosis)

Symptoms

New leaves emerge pale yellow or white while veins remain green; older leaves unaffected; pink coloration fades

Treatment

Dose liquid iron fertilizer (chelated form) 2-3 times weekly; ensure adequate micronutrient supplementation; check that CO2 and macronutrients are not limiting

Algae Overgrowth on Leaves

Symptoms

Green or brown algae coating leaf surfaces; reduced light penetration and photosynthesis; plant appears dull

Treatment

Increase water circulation and reduce photoperiod to 8-10 hours daily; manually remove algae with soft brush; introduce algae-eating shrimp; ensure phosphate and nitrate are not excessively high

Nutrient Deficiency (Macronutrient)

Symptoms

Stunted growth; yellowing of older leaves; weak or thin stems; poor pink coloration development

Treatment

Dose comprehensive liquid fertilizer containing nitrogen, phosphorus, and potassium; use root tabs for sustained nutrient delivery; maintain consistent dosing schedule; test water and adjust based on plant response

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Quick Facts

co2: required
lighting: high
placement: midground
substrate: Root feeder; benefits from nutrient-rich aquasoil, fertilizer tabs, or regular liquid fertilization. Inert gravel acceptable with comprehensive fertilization.
growth rate: medium

Water it likes

ph: 6.0-7.5
ammonia: 0 ppm
nitrate: <20 ppm
hardness: 2-8 dGH
temperature: 72–82°F (22–28°C)

Legality

No state or federal restrictions on record for this species.

Not legal advice, and possibly incomplete or out of date. Rules vary by state and locality and change over time — always confirm the current regulations with your state wildlife or agriculture agency before buying, keeping, or shipping this species.