{"product_id":"narii-rosen-roubensis","title":"Nurii Rosen Cubensis","description":"\u003ch3\u003eAbout Nymphaea 'Rosen Cubensis'\u003c\/h3\u003e\n\u003cp\u003eNymphaea 'Rosen Cubensis' is a striking aquarium water lily prized for its \u003cstrong\u003erich red, burgundy and bronze foliage\u003c\/strong\u003e. Its bold leaves make it an excellent feature plant for adding strong colour and contrast to planted freshwater aquariums.\u003c\/p\u003e\n\u003cp\u003eLike other aquarium Nymphaea, it develops from a bulb or tuber and produces attractive submerged leaves from the base. With good lighting and nutrition, the foliage can develop intense colouration and become a spectacular focal point within the aquascape.\u003c\/p\u003e\n\u003cp\u003eThis is a particularly useful plant for aquarists wanting a strong red feature without relying solely on stem plants. It works beautifully surrounded by green carpeting plants, Cryptocoryne, Anubias and other contrasting foliage.\u003c\/p\u003e\n\u003cp\u003eA nutrient-rich substrate is highly beneficial, as water lilies are strong root feeders. CO₂ is not essential, although supplementation can encourage faster growth and stronger foliage.\u003c\/p\u003e\n\u003cp\u003eIf the plant begins producing floating leaves and you want to maintain its compact submerged form, remove the floating leaves before they reach the surface. This encourages continued submerged growth and prevents the lily from shading the aquarium below.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eQuick Care Guide\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eScientific Name:\u003c\/strong\u003e \u003cem\u003eNymphaea\u003c\/em\u003e 'Rosen Cubensis'\u003cbr\u003e\u003cstrong\u003eCommon Name:\u003c\/strong\u003e Rosen Cubensis \/ Red Water Lily\u003cbr\u003e\u003cstrong\u003ePlant Type:\u003c\/strong\u003e Aquatic Lily \/ Tuber Plant\u003cbr\u003e\u003cstrong\u003eGrowth Rate:\u003c\/strong\u003e Moderate to Fast\u003cbr\u003e\u003cstrong\u003eDifficulty:\u003c\/strong\u003e Easy to Intermediate\u003cbr\u003e\u003cstrong\u003eLighting:\u003c\/strong\u003e Moderate to High\u003cbr\u003e\u003cstrong\u003eCO₂ Required:\u003c\/strong\u003e No — Recommended\u003cbr\u003e\u003cstrong\u003eTemperature:\u003c\/strong\u003e 20–30°C\u003cbr\u003e\u003cstrong\u003epH:\u003c\/strong\u003e 6.0–7.5\u003cbr\u003e\u003cstrong\u003eWater Hardness:\u003c\/strong\u003e Soft to Moderately Hard\u003cbr\u003e\u003cstrong\u003ePlacement:\u003c\/strong\u003e Midground to Background\u003cbr\u003e\u003cstrong\u003eSuitable For:\u003c\/strong\u003e Planted aquariums, Nature Aquariums, feature aquascapes and larger community tanks\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eDoes Nymphaea 'Rosen Cubensis' require CO₂?\u003c\/h3\u003e\n\u003cp\u003eNo. It can grow successfully without CO₂, although supplementation can improve growth and overall colouration.\u003c\/p\u003e\n\u003ch3\u003eDoes it need root fertiliser?\u003c\/h3\u003e\n\u003cp\u003eYes. A nutrient-rich substrate and root fertilisation are highly beneficial because Nymphaea develops a substantial root system and is a strong feeder.\u003c\/p\u003e\n\u003ch3\u003eHow do I keep it submerged?\u003c\/h3\u003e\n\u003cp\u003eRemove floating leaves as they develop if you want the plant to remain compact and produce submerged foliage.\u003c\/p\u003e\n\u003ch3\u003eHow do I get the best red colour?\u003c\/h3\u003e\n\u003cp\u003eGood lighting and consistent nutrition are important. CO₂ can also encourage stronger growth and colouration.\u003c\/p\u003e\n\u003ch3\u003eCan it become a large plant?\u003c\/h3\u003e\n\u003cp\u003eYes. Individual plants can produce sizeable leaves, particularly when allowed to grow freely. Give it enough space so it doesn't overwhelm surrounding plants.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCommon Mistakes\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBurying the entire tuber\u003c\/strong\u003e\u003cbr\u003eAvoid completely burying the tuber. Allow the growing point to remain exposed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInsufficient lighting\u003c\/strong\u003e\u003cbr\u003eGood lighting helps maintain compact growth and strong red colouration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePoor substrate nutrition\u003c\/strong\u003e\u003cbr\u003eWater lilies are heavy root feeders and benefit from nutrient-rich substrate and root tabs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAllowing floating leaves to dominate\u003c\/strong\u003e\u003cbr\u003eFloating leaves can shade the aquarium. Remove them if submerged growth is the goal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlanting too close to other plants\u003c\/strong\u003e\u003cbr\u003eGive the lily enough room to develop its leaves without crowding neighbouring plants.\u003c\/p\u003e","brand":"Apex Aquatic","offers":[{"title":"Default Title","offer_id":48856339382411,"sku":null,"price":20.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0579\/8353\/3195\/files\/39730caf-31b8-4d55-936d-07fc95e77365_8e22b0db-8e5a-4505-ba1e-eba621745930.png?v=1786337726","url":"https:\/\/apexaquatic.com.au\/products\/narii-rosen-roubensis","provider":"Apex Aquatic","version":"1.0","type":"link"}