{"product_id":"seachem-flourish-excel-bioavailable-carbon-organic-carbon-source-for-aquatic-plants-4l","title":"Seachem Flourish Excel Bioavailable Carbon - Organic Carbon Source for Aquatic Plants 4L","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eSeachem Flourish Excel is a bioavailable organic carbon source designed to support the carbon needs of aquatic plants. While many hobbyists rely on CO2 dosing to fuel growth, Flourish Excel offers a complementary pathway by introducing finished carbon compounds that plants can directly use. This can be particularly helpful in setups where continuing CO2 dosing may stress pH or where you prefer a flexible carbon strategy. \u003c\/p\u003e\u003ch3\u003eKey benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBioavailable carbon: A convenient source of organic carbon that plants can uptake and utilize in metabolism.\u003c\/li\u003e\n\u003cli\u003eIron utilization: Iron reducing properties promote the ferrous state Fe2+, a form plants can use more readily than ferric iron.\u003c\/li\u003e\n\u003cli\u003eSupport for photosynthesis: By providing structurally similar carbon intermediates, Flourish Excel supplements the carbon-building steps plants perform during photosynthesis.\u003c\/li\u003e\n\u003cli\u003eFlexible dosing with or without CO2: The product can be used alone or alongside CO2 injection, and may help balance pH when CO2 levels are managed carefully.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow to use\u003c\/h3\u003e\u003cp\u003eInitial dosing after a major water change or when starting a new setup is 5 mL per 40 L (10 US gallons). After the first dose, continue with 5 mL per 200 L (50 US gallons) per day or every other day. Each cap is roughly 1 mL, making it easy to tailor dosing to your tank size.\u003c\/p\u003e\u003ch3\u003eSafety and practical notes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSafe for fish when used as directed.\u003c\/li\u003e\n\u003cli\u003eIf you keep Anacharis in the aquarium, consider dosing every other day rather than daily to accommodate this plant’s growth response.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat you might notice\u003c\/h3\u003e\u003cp\u003eSome hobbyists report livelier color, more robust leaf development, and a steadier growth rhythm as carbon availability improves. Results depend on lighting, nutrients, and tank conditions, so treat Flourish Excel as one tool among your plant care options.\u003c\/p\u003e\u003ch3\u003eBackground and fit in your regime\u003c\/h3\u003e\u003cp\u003eFlourish Excel does not contain the exact photosynthetic intermediates, but it is structured to be similar enough that plants can convert it through simple steps into a range of carbon compounds used during growth. This design supports a flexible carbon supply that can work with CO2 or on its own, and it can be integrated with routine maintenance and nutrient management to support a balanced planted tank.\u003c\/p\u003e\u003ch3\u003ePractical integration\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIdeal for planted tanks with moderate lighting and nutrient regimes, where carbon balance supports steady growth.\u003c\/li\u003e\n\u003cli\u003ePairs with regular water changes and standard dosing schedules to maintain consistent carbon availability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is Flourish Excel used for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: A bioavailable organic carbon source for aquatic plants, usable with or without CO2 injection, and safe for fish.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How should I dose Flourish Excel?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Initial use after a major water change: 5 mL per 40 L (10 US gallons); thereafter 5 mL per 200 L (50 US gallons) daily or every other day.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Seachem","offers":[{"title":"Default Title","offer_id":40563379011713,"sku":"B0002A5WRE","price":154.62,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0598\/4757\/3633\/files\/seachem-flourish-excel-bottle-pour.jpg?v=1765835246","url":"https:\/\/petiva.ca\/products\/seachem-flourish-excel-bioavailable-carbon-organic-carbon-source-for-aquatic-plants-4l","provider":"Petiva","version":"1.0","type":"link"}