{"product_id":"cryptocoryne-undulata-red-aquarium-plant","title":"Cryptocoryne undulata ‘Red’ – Hardy Red Crypt Aquarium Plant","description":"\u003cp\u003eCryptocoryne undulata ‘Red’ is a hardy freshwater aquarium plant known for its wavy leaves and attractive red-bronze to brown coloration. Native to Sri Lanka, this Crypt adds natural texture, subtle color, and a low-maintenance look to planted aquariums.\u003c\/p\u003e\n\u003cp\u003eUnlike many red aquarium plants, Cryptocoryne undulata ‘Red’ can grow well in low-tech setups without CO2 injection. Once established, it develops a strong root system and becomes a reliable midground or background plant for community aquariums, shrimp tanks, and natural aquascapes.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHardy and beginner-friendly Cryptocoryne plant\u003c\/li\u003e\n\u003cli\u003eWavy leaves with red-bronze to brown coloration\u003c\/li\u003e\n\u003cli\u003eGreat for low-tech planted aquariums\u003c\/li\u003e\n\u003cli\u003eDoes not require CO2 injection\u003c\/li\u003e\n\u003cli\u003eExcellent midground or background plant\u003c\/li\u003e\n\u003cli\u003eSafe for shrimp, snails, and peaceful freshwater fish\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePlant Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eScientific Name:\u003c\/strong\u003e Cryptocoryne undulata ‘Red’\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommon Name:\u003c\/strong\u003e Crypt Undulata Red\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlant Type:\u003c\/strong\u003e Rosette plant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCare Level:\u003c\/strong\u003e Easy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrowth Rate:\u003c\/strong\u003e Slow to moderate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlacement:\u003c\/strong\u003e Midground to background\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLighting:\u003c\/strong\u003e Low to moderate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCO2:\u003c\/strong\u003e Not required; optional for improved growth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e 72–82°F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH Range:\u003c\/strong\u003e 6.0–7.5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate Height:\u003c\/strong\u003e 6–10 inches, depending on conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose Cryptocoryne undulata ‘Red’?\u003c\/h3\u003e\n\u003cp\u003eCryptocoryne undulata ‘Red’ is a great choice for aquarists who want warm red-bronze tones without the demands of high-light red stem plants. Its wavy leaves create movement and texture, while its slower growth makes it easy to manage in planted tanks.\u003c\/p\u003e\n\u003cp\u003eThis plant works especially well in natural-style aquariums, jungle aquascapes, low-tech planted tanks, and community setups where long-term stability and low maintenance are important.\u003c\/p\u003e\n\u003ch3\u003eHow to Plant\u003c\/h3\u003e\n\u003cp\u003ePlant Cryptocoryne undulata ‘Red’ directly into aquarium substrate, keeping the crown of the plant above the substrate line. This plant is a heavy root feeder and benefits from nutrient-rich substrate or root tabs placed near the roots.\u003c\/p\u003e\n\u003cp\u003eAfter planting, avoid moving it frequently. Crypts prefer stability, and once established, they can grow into a strong, long-lasting plant group.\u003c\/p\u003e\n\u003ch3\u003eBest Uses in Aquariums\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLow-tech planted aquariums\u003c\/li\u003e\n\u003cli\u003eFreshwater community tanks\u003c\/li\u003e\n\u003cli\u003eShrimp tanks\u003c\/li\u003e\n\u003cli\u003eNatural aquascapes\u003c\/li\u003e\n\u003cli\u003eJungle-style aquariums\u003c\/li\u003e\n\u003cli\u003eMidground plant groupings\u003c\/li\u003e\n\u003cli\u003eBackground texture in smaller tanks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCare \u0026amp; Maintenance Tips\u003c\/h3\u003e\n\u003cp\u003eCryptocoryne undulata ‘Red’ grows best in stable aquarium conditions with low to moderate lighting. CO2 is not required, but steady nutrients and root tabs can help support stronger growth and healthier leaves.\u003c\/p\u003e\n\u003cp\u003eSome crypt melt may occur after planting or after changes in water conditions. This is common with Cryptocoryne plants. As long as the roots remain healthy, new growth should appear once the plant adjusts.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes Cryptocoryne undulata ‘Red’ need CO2?\u003c\/strong\u003e\u003cbr\u003eNo. CO2 is not required. It can grow well in low-tech aquariums, though CO2 may improve growth speed and fullness.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy are the leaves melting after planting?\u003c\/strong\u003e\u003cbr\u003eCrypt melt is common after transplanting or sudden changes in aquarium conditions. New leaves usually grow back once the plant adapts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs Cryptocoryne undulata ‘Red’ safe for shrimp and snails?\u003c\/strong\u003e\u003cbr\u003eYes. This plant is safe for shrimp, snails, and peaceful freshwater fish.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan Cryptocoryne undulata ‘Red’ grow in low light?\u003c\/strong\u003e\u003cbr\u003eYes. It can grow in low to moderate light. In lower light, the color may appear more bronze or brown than deep red.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow tall does Cryptocoryne undulata ‘Red’ grow?\u003c\/strong\u003e\u003cbr\u003eIt typically grows around 6–10 inches tall, depending on lighting, nutrients, substrate, and overall aquarium conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere should I place this plant?\u003c\/strong\u003e\u003cbr\u003eIt works well in the midground or background, depending on tank size and aquascape layout.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this plant need root tabs?\u003c\/strong\u003e\u003cbr\u003eRoot tabs are recommended, especially in plain gravel or sand, because Cryptocoryne plants feed heavily through their roots.\u003c\/p\u003e\n\u003ch3\u003eAvailable at Tropical Treasures Wyo\u003c\/h3\u003e\n\u003cp\u003eCryptocoryne undulata ‘Red’ is a hardy, low-tech aquarium plant for aquarists who want wavy leaves, red-bronze color, and easy long-term growth in freshwater planted tanks. Visit Tropical Treasures Wyo in Cheyenne, Wyoming, or shop online for live aquarium plants, Cryptocoryne varieties, shrimp, snails, freshwater fish, planted tank fertilizers, aquascaping tools, and aquarium supplies.\u003c\/p\u003e","brand":"Tropical Treasures Wyo LLC","offers":[{"title":"Default Title","offer_id":53020991422677,"sku":null,"price":8.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/4545\/8133\/files\/610Lez0wyFL.jpg?v=1771517943","url":"https:\/\/tropicaltreasureswyo.com\/products\/cryptocoryne-undulata-red-aquarium-plant","provider":"Tropical Treasures Wyo LLC","version":"1.0","type":"link"}