{"product_id":"red-rubin-sword","title":"Red Rubin Sword","description":"\u003cp\u003eThe \u003cb\u003eRed Rubin Sword\u003c\/b\u003e (\u003ci\u003eEchinodorus 'Rubin'\u003c\/i\u003e) is a stunning, heavily vibrant hybrid Amazon Sword plant created by crossing \u003ci\u003eEchinodorus horemannii 'Roter'\u003c\/i\u003e with \u003ci\u003eEchinodorus horizontalis\u003c\/i\u003e. It is widely celebrated in the aquarium hobby for its large, deep burgundy-to-ruby-red leaves that provide a striking focal point in planted tanks.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eName\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eScientific Name:\u003c\/b\u003e \u003ci\u003eEchinodorus\u003c\/i\u003e 'Rubin'\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCommon Names:\u003c\/b\u003e Red Rubin Sword, Rubin Sword Plant, Red Rubin Amazon Sword\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eCharacteristics\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eAppearance:\u003c\/b\u003e Features long, lance-shaped foliage with distinct light-colored leaf veins. New leaves emerge in a brilliant deep ruby red or dark purple-red hue, gradually maturing into a rich dark green or bronze-olive color.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSize \u0026amp; Placement:\u003c\/b\u003e A large rosette plant growing \u003cb\u003e12–20+ inches (30–50+ cm)\u003c\/b\u003e tall, making it a classic centerpiece for the midground or background of medium to large aquariums.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eFeeding Style:\u003c\/b\u003e Heavy root feeder—requires a thick, nutrient-dense substrate or regular supplementation with iron-rich root tabs to support strong growth and vibrant red pigmentation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCare Level:\u003c\/b\u003e Easy and durable—great for beginners looking to add high-impact red coloration without fussy care demands.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eTemperature\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eIdeal Range:\u003c\/b\u003e \u003cb\u003e68°F – 82°F (20°C – 28°C)\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eNote:\u003c\/b\u003e Extremely adaptable across standard tropical freshwater conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eLighting\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eRequirement:\u003c\/b\u003e \u003cb\u003eModerate to High\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eNote:\u003c\/b\u003e Stronger light intensifies and prolongs the rich ruby-red color of new leaves. Under low light, foliage turns greener faster and leaves grow longer and narrower.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cb\u003eCO2: Not Required.\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/h3\u003e\n\u003ch3\u003e\u003cb\u003ePropagation\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eMethod:\u003c\/b\u003e Adventitious Plantlets (Runners) or Crown Division\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHow it works:\u003c\/b\u003e\u003c\/p\u003e\n\u003col start=\"1\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eRunners:\u003c\/b\u003e Mature plants produce long flowering stalks (adventitious runners) that form small daughter plantlets along the nodes. Once these plantlets develop roots and a few small leaves, snip them off and plant them into the substrate.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCrown Division:\u003c\/b\u003e Large, established specimens can be split directly at the root crown using a clean razor or scissors during aquascape maintenance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"The Purple Tang Aquatic Store","offers":[{"title":"Potted","offer_id":43210742857790,"sku":null,"price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/8396\/4478\/files\/RedRubinSword.jpg?v=1785789967","url":"https:\/\/thepurpletang.com\/products\/red-rubin-sword","provider":"The Purple Tang Aquatic Store","version":"1.0","type":"link"}