{"product_id":"spirodela-polyrrhiza-duckweed","title":"Spirodela polyrrhiza ( Duckweed )","description":"\u003cp\u003e\u003cspan\u003eSpirodela polyrrhiza, commonly known as Greater Duckweed, is a versatile floating plant that adds a natural, dynamic element to aquariums. Its small, round, green fronds float freely on the water's surface, creating a serene, pond-like appearance. This plant is ideal for providing shade and shelter for fish, reducing light penetration, and helping to control algae growth.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThriving in low to moderate lighting, Spirodela polyrrhiza is easy to care for and grows rapidly, making it suitable for both beginners and experienced aquarists. Its fast growth rate aids in nutrient absorption, contributing to improved water quality. Regular thinning is recommended to prevent excessive coverage and ensure balanced light distribution to submerged plants.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eKey Benefits\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eNatural Shade: Offers shelter and reduces light for fish.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAlgae Control: Competes for nutrients, limiting algae growth.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWater Quality Improvement: Absorbs excess nutrients efficiently.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eSpirodela polyrrhiza is an excellent choice for aquarists seeking a low-maintenance, functional plant that enhances the natural aesthetics and health of their aquarium ecosystem. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003ePlant info\u003c\/h3\u003e\n\u003ctable class=\"specficationTable\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin:\u003c\/th\u003e\n\u003ctd\u003eNorth America\u003c\/td\u003e\n\u003ctd class=\"helpTextExpander\"\u003e\u003ca\u003e\u003cimg src=\"https:\/\/tropica.com\/graphics\/web\/product-spec-helptext-minus.png\"\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"plantInfoHelpText\" id=\"plant-spec-help-origin\"\u003e\n\u003ctd colspan=\"2\"\u003eCountry or continent where a plant is the most common. Cultivars arise or are bred in cultivation.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGrowth rate:\u003c\/th\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd class=\"helpTextExpander\"\u003e\u003ca\u003e\u003cimg src=\"https:\/\/tropica.com\/graphics\/web\/product-spec-helptext-minus.png\"\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"plantInfoHelpText\" id=\"plant-spec-help-growthrate\"\u003e\n\u003ctd colspan=\"2\"\u003eGrowth rate of the plant compared to other aquatic plants.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeight:\u003c\/th\u003e\n\u003ctd\u003e3 - 5+\u003c\/td\u003e\n\u003ctd class=\"helpTextExpander\"\u003e\u003ca\u003e\u003cimg src=\"https:\/\/tropica.com\/graphics\/web\/product-spec-helptext-minus.png\"\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"plantInfoHelpText\" id=\"plant-spec-help-height\"\u003e\n\u003ctd colspan=\"2\"\u003eAverage height (cm) of the plant after two months in the tank.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLight demand:\u003c\/th\u003e\n\u003ctd\u003eLow\u003c\/td\u003e\n\u003ctd class=\"helpTextExpander\"\u003e\u003ca\u003e\u003cimg src=\"https:\/\/tropica.com\/graphics\/web\/product-spec-helptext-minus.png\"\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"plantInfoHelpText\" id=\"plant-spec-help-light\"\u003e\n\u003ctd colspan=\"2\"\u003eThe average or medium light demand of an aquarium plant is 0,5 W\/L.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCO2 :\u003c\/th\u003e\n\u003ctd\u003eLow\u003c\/td\u003e\n\u003ctd class=\"helpTextExpander\"\u003e\u003ca\u003e\u003cimg src=\"https:\/\/tropica.com\/graphics\/web\/product-spec-helptext-minus.png\"\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"plantInfoHelpText\" id=\"plant-spec-help-co2\"\u003e\n\u003ctd colspan=\"2\"\u003eA medium need in CO2 is 6-14 mg\/L. A high demand in CO2 is approx. 15-25 mg\/L.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Angel Exotix Aquarium","offers":[{"title":"Default Title","offer_id":64004877189497,"sku":null,"price":7.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0908\/6743\/3849\/files\/Spirodela_polyrrhiza.png?v=1784327682","url":"https:\/\/angelexotix.com\/products\/spirodela-polyrrhiza-duckweed","provider":"Angel Exotix Aquarium","version":"1.0","type":"link"}