{"product_id":"rubin-sword-aquarium-plant-echinodorus-rubin","title":"Rubin Sword – Echinodorus ‘Rubin’","description":"\u003cp\u003eRubin Sword is a beautiful freshwater aquarium sword plant known for its long red to bronze leaves and bold rosette growth. Also known as \u003cem\u003eEchinodorus\u003c\/em\u003e ‘Rubin’, this colorful sword plant creates a dramatic focal point in planted aquariums and adds strong contrast against green aquarium plants.\u003c\/p\u003e\n\u003cp\u003eAs the leaves mature, Rubin Sword may show a mix of red, bronze, and green tones, giving the plant a natural color-changing appearance over time. This hardy Echinodorus hybrid grows best in nutrient-rich substrate or with regular root tabs and makes an excellent background or centerpiece plant for medium to large freshwater aquariums.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRed to bronze Echinodorus sword plant\u003c\/li\u003e\n\u003cli\u003eExcellent background or centerpiece aquarium plant\u003c\/li\u003e\n\u003cli\u003eAdds bold color contrast to planted tanks\u003c\/li\u003e\n\u003cli\u003eHardy and adaptable once established\u003c\/li\u003e\n\u003cli\u003eHeavy root feeder that benefits from root tabs\u003c\/li\u003e\n\u003cli\u003eProvides shelter and structure for freshwater fish and shrimp\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePlant Care Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eScientific Name:\u003c\/strong\u003e \u003cem\u003eEchinodorus\u003c\/em\u003e ‘Rubin’\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommon Name:\u003c\/strong\u003e Rubin Sword, Red Rubin Sword\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlant Type:\u003c\/strong\u003e Rosette \/ sword aquarium plant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlacement:\u003c\/strong\u003e Background or centerpiece\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLighting:\u003c\/strong\u003e Medium to high; stronger light enhances red coloration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e 72–82°F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH:\u003c\/strong\u003e 6.5–7.5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrowth Rate:\u003c\/strong\u003e Moderate to fast\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCare Level:\u003c\/strong\u003e Easy to moderate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCO2:\u003c\/strong\u003e Not required; optional for lush growth and stronger color\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubstrate:\u003c\/strong\u003e Nutrient-rich substrate or root tabs highly recommended\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTank Placement\u003c\/h3\u003e\n\u003cp\u003eRubin Sword works best as a background plant or large centerpiece in freshwater planted aquariums. Its tall leaves and red-bronze coloration create a strong focal point and help fill open areas with lush, structured growth.\u003c\/p\u003e\n\u003cp\u003eThis plant typically grows around 12–20 inches tall depending on aquarium conditions, making it best suited for medium to large aquariums. Give it enough space for rosette growth and avoid crowding it too closely with other heavy root-feeding plants.\u003c\/p\u003e\n\u003ch3\u003eLighting, CO2 \u0026amp; Nutrients\u003c\/h3\u003e\n\u003cp\u003eRubin Sword develops its strongest red tones under medium to high lighting. New leaves often emerge with deeper red coloration, while mature leaves may shift toward bronze or green with reddish tones.\u003c\/p\u003e\n\u003cp\u003eCO2 is not required, but optional CO2 can help improve growth, leaf fullness, and overall color. As a heavy root feeder, Rubin Sword benefits greatly from nutrient-rich substrate or regular root tab supplementation to support strong roots, healthy leaves, and long-term growth.\u003c\/p\u003e\n\u003ch3\u003eTrimming \u0026amp; Maintenance\u003c\/h3\u003e\n\u003cp\u003eRemove older, yellowing, damaged, or melting outer leaves near the base of the plant to encourage clean new growth from the center of the rosette. Regular maintenance helps keep the plant healthy and attractive.\u003c\/p\u003e\n\u003cp\u003eWhen planting Rubin Sword, place the roots fully into the substrate while keeping the crown exposed. Avoid burying the crown too deeply, as this can cause rot or plant damage. Once established, avoid frequent relocation so the root system can continue developing.\u003c\/p\u003e\n\u003ch3\u003eBest Uses in Aquariums\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFreshwater planted aquariums\u003c\/li\u003e\n\u003cli\u003eBackground plant displays\u003c\/li\u003e\n\u003cli\u003eCenterpiece sword plant layouts\u003c\/li\u003e\n\u003cli\u003eRed and bronze contrast planting\u003c\/li\u003e\n\u003cli\u003eMedium to large aquariums\u003c\/li\u003e\n\u003cli\u003eCommunity fish aquariums\u003c\/li\u003e\n\u003cli\u003eNatural-style aquascapes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow tall does Rubin Sword grow?\u003c\/strong\u003e\u003cbr\u003eRubin Sword typically grows around 12–20 inches tall depending on tank size, lighting, nutrients, root tabs, and overall aquarium conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill Rubin Sword stay red?\u003c\/strong\u003e\u003cbr\u003eNew leaves often emerge deep red and may transition to bronze or green with reddish tones as they mature. Strong lighting and nutrient-rich substrate can help maintain stronger red coloration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs Rubin Sword safe for shrimp and snails?\u003c\/strong\u003e\u003cbr\u003eYes. Rubin Sword is safe for shrimp, snails, and peaceful freshwater fish. Its broad leaves also provide natural shelter and structure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow should I plant Rubin Sword?\u003c\/strong\u003e\u003cbr\u003ePlant Rubin Sword directly into the substrate with the roots covered and the crown exposed. Avoid burying the crown to prevent rot.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes Rubin Sword need CO2?\u003c\/strong\u003e\u003cbr\u003eNo. CO2 is not required, but optional CO2 can support fuller growth, stronger leaves, and improved coloration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShould I use root tabs for Rubin Sword?\u003c\/strong\u003e\u003cbr\u003eYes. Rubin Sword is a heavy root feeder, so root tabs or nutrient-rich substrate are highly recommended for strong growth and vibrant color.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere should I place Rubin Sword in my aquarium?\u003c\/strong\u003e\u003cbr\u003eRubin Sword works best as a background plant or centerpiece where its tall red-bronze leaves can stand out and add structure to the aquascape.\u003c\/p\u003e\n\u003ch3\u003eAvailable at Tropical Treasures Wyo\u003c\/h3\u003e\n\u003cp\u003eRubin Sword is a colorful Echinodorus aquarium plant for aquarists looking to add red-bronze leaves, structure, and a bold centerpiece to freshwater planted tanks. Visit Tropical Treasures Wyo in Cheyenne, Wyoming, or shop online for live aquarium plants, freshwater fish, shrimp, snails, and aquarium supplies.\u003c\/p\u003e","brand":"Tropical Treasures Wyo LLC","offers":[{"title":"Default Title","offer_id":51402017013973,"sku":null,"price":8.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/4545\/8133\/files\/rn-image_picker_lib_temp_4066b46b-7fa0-4675-a68f-c1e1c00f5e0e.jpg?v=1756073158","url":"https:\/\/tropicaltreasureswyo.com\/products\/rubin-sword-aquarium-plant-echinodorus-rubin","provider":"Tropical Treasures Wyo LLC","version":"1.0","type":"link"}