{"product_id":"ludwigia-repens-rubin","title":"Ludwigia Repens 'Rubin'","description":"\u003ch3 class=\"PDq2pG_selectionAnchorContainer\"\u003eAbout Ludwigia Repens 'Rubin'\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp\u003eLudwigia Repens 'Rubin' is a stunning red stem plant prized for its rich \u003cstrong\u003eburgundy, ruby-red, and deep crimson foliage\u003c\/strong\u003e. It is one of the most popular Ludwigia varieties for aquascapers wanting a strong red accent without the demanding requirements of some more delicate red plants.\u003c\/p\u003e\n\u003cp\u003eIts broad, rounded leaves grow along upright stems, creating a bold and colourful appearance. When planted in groups, Ludwigia 'Rubin' can form dense red bushes that provide excellent contrast against green carpeting plants, mosses, and natural hardscape.\u003c\/p\u003e\n\u003cp\u003eGood lighting is important for maintaining its deep red colouration, while stable CO₂ and balanced nutrients encourage faster growth, stronger stems, and denser foliage. It is relatively adaptable and can be grown successfully in both low-tech and high-tech planted aquariums.\u003c\/p\u003e\n\u003cp\u003eRegular trimming encourages branching and allows the plant to be shaped into a compact bush. Healthy stem cuttings can be replanted directly into the substrate, making propagation simple.\u003c\/p\u003e\n\u003cp\u003eWith its intense colour, attractive foliage, and relatively forgiving nature, Ludwigia Repens 'Rubin' is an excellent choice for both beginner and experienced aquascapers.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eQuick Care Guide\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eScientific Name:\u003c\/strong\u003e \u003cem\u003eLudwigia repens\u003c\/em\u003e 'Rubin'\u003cbr\u003e\u003cstrong\u003eCommon Name:\u003c\/strong\u003e Ludwigia Repens 'Rubin' \/ Ludwigia Rubin\u003cbr\u003e\u003cstrong\u003ePlant Type:\u003c\/strong\u003e Stem 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 20–28°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 Nature Aquariums, Dutch aquascapes, planted community tanks, shrimp tanks, and high-tech aquariums\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eDoes Ludwigia Repens 'Rubin' require CO₂?\u003c\/h3\u003e\n\u003cp\u003eNo. It can grow without CO₂, making it suitable for low-tech aquariums. CO₂ supplementation will improve growth rate, density, and overall colouration.\u003c\/p\u003e\n\u003ch3\u003eHow do I keep Ludwigia 'Rubin' deep red?\u003c\/h3\u003e\n\u003cp\u003eProvide good lighting, consistent CO₂ where available, and balanced fertilisation. Its genetics naturally allow it to develop strong burgundy and red colouration.\u003c\/p\u003e\n\u003ch3\u003eHow do I propagate Ludwigia 'Rubin'?\u003c\/h3\u003e\n\u003cp\u003eCut healthy stems above a leaf node and replant the tops into the substrate. The remaining stems will usually produce new side shoots.\u003c\/p\u003e\n\u003ch3\u003eIs Ludwigia Repens 'Rubin' suitable for beginners?\u003c\/h3\u003e\n\u003cp\u003eYes. It is relatively easy to grow and is a good choice for aquarists wanting to introduce red plants into their aquarium.\u003c\/p\u003e\n\u003ch3\u003eHow often should I trim it?\u003c\/h3\u003e\n\u003cp\u003eTrim the stems when they become too tall or begin shading the lower growth. Regular pruning encourages branching and creates a fuller, bushier group.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCommon Mistakes\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eInsufficient lighting\u003c\/strong\u003e\u003cbr\u003eVery low light can result in greener foliage and weaker colouration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUnstable CO₂\u003c\/strong\u003e\u003cbr\u003eFluctuating CO₂ can slow growth and contribute to algae problems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlanting stems too closely\u003c\/strong\u003e\u003cbr\u003eLeave space between stems so light can reach the lower leaves and water can circulate.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePoor nutrient availability\u003c\/strong\u003e\u003cbr\u003eRegular fertilisation helps maintain healthy growth and strong red colouration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAllowing the plant to become overgrown\u003c\/strong\u003e\u003cbr\u003eRegular trimming keeps the group compact and encourages attractive side branching.\u003c\/p\u003e","brand":"Apex Aquatic","offers":[{"title":"Default Title","offer_id":48856340398219,"sku":null,"price":15.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0579\/8353\/3195\/files\/images_9fa2859c-6b66-4a9b-a39b-fdf7be9dcfac.jpg?v=1786335474","url":"https:\/\/apexaquatic.com.au\/products\/ludwigia-repens-rubin","provider":"Apex Aquatic","version":"1.0","type":"link"}