{"product_id":"seachem-flourish-excel-500ml","title":"Seachem Flourish Excel 500 ml – Liquid Carbon Source for Aquatic Plants \u0026 Algae Control","description":"\u003cp\u003e\u003cspan\u003e\u003c\/span\u003e\u003cstrong\u003eSeachem Flourish Excel 500 ml – Liquid Carbon Source for Aquatic Plants \u0026amp; Algae Control.\u003c\/strong\u003e\u003cbr\u003e\n\u003cbr\u003e\n\u003cstrong data-end=\"339\" data-start=\"306\"\u003eSeachem Flourish Excel 500 ml\u003c\/strong\u003e is a premium, biologically available \u003cstrong data-end=\"405\" data-start=\"377\"\u003eliquid carbon supplement\u003c\/strong\u003e specially formulated for all planted aquariums. It provides an essential carbon source for aquatic plants, enabling them to perform photosynthesis efficiently even in tanks without CO₂ injection. In addition to stimulating plant growth, Flourish Excel helps control nuisance algae by limiting its carbon access and promoting strong, healthy plant competition.\u003c\/p\u003e\n\n\u003cp data-end=\"1223\" data-start=\"769\"\u003eCarbon is the backbone of all organic life, and in a closed aquarium system, it is often the limiting factor that prevents lush plant development. \u003cstrong data-end=\"935\" data-start=\"916\"\u003eFlourish Excel™\u003c\/strong\u003e bridges this gap by delivering a readily assimilable organic carbon compound that plants can use directly. Whether you maintain a low-tech planted tank or a high-energy CO₂ system, Flourish Excel works seamlessly to enhance coloration, increase leaf density, and accelerate new growth.\u003c\/p\u003e\n\n\u003cp data-end=\"1532\" data-start=\"1225\"\u003eUnlike many liquid carbons, Seachem’s formula is \u003cstrong data-end=\"1303\" data-start=\"1274\"\u003escientifically stabilized\u003c\/strong\u003e, ensuring safe and gradual carbon release without harming fish, shrimp, or beneficial bacteria. It also aids in the breakdown of ferrous iron (Fe²⁺) to ferric iron (Fe³⁺), making vital micronutrients more accessible to plants.\u003c\/p\u003e\n\n\u003chr data-end=\"1537\" data-start=\"1534\"\u003e\n\u003ch3 data-end=\"1573\" data-start=\"1539\"\u003e\u003cstrong data-end=\"1571\" data-start=\"1543\"\u003eKey Features \u0026amp; Benefits:\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul data-end=\"2478\" data-start=\"1574\"\u003e\n\t\u003cli data-end=\"1685\" data-start=\"1574\"\u003e\n\t\u003cp data-end=\"1685\" data-start=\"1576\"\u003e\u003cstrong data-end=\"1619\" data-start=\"1579\"\u003eProvides Bioavailable Organic Carbon\u003c\/strong\u003e – Supplies a direct carbon source usable by all aquatic plants.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"1789\" data-start=\"1686\"\u003e\n\t\u003cp data-end=\"1789\" data-start=\"1688\"\u003e\u003cstrong data-end=\"1726\" data-start=\"1690\"\u003eEnhances Photosynthesis \u0026amp; Growth\u003c\/strong\u003e – Promotes lush, vibrant leaves and faster plant metabolism.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"1922\" data-start=\"1790\"\u003e\n\t\u003cp data-end=\"1922\" data-start=\"1792\"\u003e\u003cstrong data-end=\"1825\" data-start=\"1795\"\u003eReduces and Prevents Algae\u003c\/strong\u003e – By supplying carbon to plants, Flourish Excel deprives algae of its essential energy source.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"2028\" data-start=\"1923\"\u003e\n\t\u003cp data-end=\"2028\" data-start=\"1925\"\u003e\u003cstrong data-end=\"1954\" data-start=\"1928\"\u003eSafe for All Aquariums\u003c\/strong\u003e – Completely non-toxic to fish, shrimp, snails, and other aquatic life.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"2142\" data-start=\"2029\"\u003e\n\t\u003cp data-end=\"2142\" data-start=\"2031\"\u003e\u003cstrong data-end=\"2068\" data-start=\"2034\"\u003eSupports CO₂ Injection Systems\u003c\/strong\u003e – Acts as an additional carbon supplement or a stand-alone alternative.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"2247\" data-start=\"2143\"\u003e\n\t\u003cp data-end=\"2247\" data-start=\"2145\"\u003e\u003cstrong data-end=\"2176\" data-start=\"2148\"\u003eImproves Nutrient Uptake\u003c\/strong\u003e – Helps plants utilize trace elements and minerals more efficiently.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"2367\" data-start=\"2248\"\u003e\n\t\u003cp data-end=\"2367\" data-start=\"2250\"\u003e\u003cstrong data-end=\"2284\" data-start=\"2253\"\u003ePrevents Melt in New Plants\u003c\/strong\u003e – Particularly beneficial during the initial setup or after major water changes.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"2478\" data-start=\"2368\"\u003e\n\t\u003cp data-end=\"2478\" data-start=\"2370\"\u003e\u003cstrong data-end=\"2408\" data-start=\"2373\"\u003ePromotes Algae-Free Environment\u003c\/strong\u003e – Encourages healthy plant competition to naturally suppress algae.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr data-end=\"2483\" data-start=\"2480\"\u003e\n\u003ch3 data-end=\"2508\" data-start=\"2485\"\u003e\u003cstrong data-end=\"2506\" data-start=\"2489\"\u003eHow It Works:\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp data-end=\"2868\" data-start=\"2509\"\u003eFlourish Excel contains a stabilized \u003cstrong data-end=\"2572\" data-start=\"2546\"\u003eform of organic carbon\u003c\/strong\u003e known as glutaraldehyde polymer derivative. When dosed into the water, it converts into intermediate compounds that plants can assimilate directly during photosynthesis. This process boosts energy production, supports faster root development, and stimulates lateral growth in stems and leaves.\u003c\/p\u003e\n\n\u003cp data-end=\"3115\" data-start=\"2870\"\u003eBecause algae also rely on dissolved inorganic carbon (CO₂) for photosynthesis, supplying plants with an alternative organic carbon source gives them a competitive edge - \u003cstrong data-end=\"3072\" data-start=\"3039\"\u003eout-competing algae naturally\u003c\/strong\u003e rather than relying on harsh algaecides.\u003c\/p\u003e\n\n\u003chr data-end=\"3120\" data-start=\"3117\"\u003e\n\u003ch3 data-end=\"3151\" data-start=\"3122\"\u003e\u003cstrong data-end=\"3149\" data-start=\"3126\"\u003eDirections for Use:\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul data-end=\"3471\" data-start=\"3152\"\u003e\n\t\u003cli data-end=\"3264\" data-start=\"3152\"\u003e\n\t\u003cp data-end=\"3264\" data-start=\"3154\"\u003eOn initial setup or after major (\u0026gt;40%) water change:\u003cbr data-end=\"3209\" data-start=\"3206\"\u003e\n\t→ Use \u003cstrong data-end=\"3261\" data-start=\"3217\"\u003e1 capful (5 mL) for 40 L (10 US gallons)\u003c\/strong\u003e.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"3384\" data-start=\"3265\"\u003e\n\t\u003cp data-end=\"3384\" data-start=\"3267\"\u003eThereafter for daily maintenance:\u003cbr data-end=\"3303\" data-start=\"3300\"\u003e\n\t→ Use \u003cstrong data-end=\"3356\" data-start=\"3311\"\u003e1 capful (5 mL) for 200 L (50 US gallons)\u003c\/strong\u003e daily or every other day.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"3471\" data-start=\"3385\"\u003e\n\t\u003cp data-end=\"3471\" data-start=\"3387\"\u003eFor smaller aquariums, use the threaded cap marks as measurement (1 mL each line).\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp data-end=\"3578\" data-start=\"3473\"\u003e\u003cstrong data-end=\"3484\" data-start=\"3476\"\u003eTip:\u003c\/strong\u003e Always dose Flourish Excel during the light period to maximize plant uptake and efficiency.\u003c\/p\u003e\n\n\u003chr data-end=\"3583\" data-start=\"3580\"\u003e\n\u003ch3 data-end=\"3609\" data-start=\"3585\"\u003e\u003cstrong data-end=\"3607\" data-start=\"3589\"\u003eCompatibility:\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul data-end=\"3941\" data-start=\"3610\"\u003e\n\t\u003cli data-end=\"3695\" data-start=\"3610\"\u003e\n\t\u003cp data-end=\"3695\" data-start=\"3612\"\u003eSafe for freshwater planted tanks, shrimp aquariums, and community fish setups.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"3841\" data-start=\"3696\"\u003e\n\t\u003cp data-end=\"3841\" data-start=\"3698\"\u003eCan be used with Seachem Flourish Comprehensive™, Flourish Iron™, Flourish Trace™, and Flourish Potassium™ for a complete nutrient regimen.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"3941\" data-start=\"3842\"\u003e\n\t\u003cp data-end=\"3941\" data-start=\"3844\"\u003eCompatible with CO₂ systems or can be used as a stand-alone carbon source in low-tech setups.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr data-end=\"3946\" data-start=\"3943\"\u003e\n\u003ch3 data-end=\"3970\" data-start=\"3948\"\u003e\u003cstrong data-end=\"3968\" data-start=\"3952\"\u003eIngredients:\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp data-end=\"4147\" data-start=\"3971\"\u003eProprietary solution of \u003cstrong data-end=\"4036\" data-start=\"3995\"\u003ebioavailable organic carbon compounds\u003c\/strong\u003e, stabilized glutaraldehyde polymer derivative, deionized water, and chelating agents for nutrient stability.\u003c\/p\u003e\n\n\u003chr data-end=\"4152\" data-start=\"4149\"\u003e\n\u003ch3 data-end=\"4186\" data-start=\"4154\"\u003e\u003cstrong data-end=\"4184\" data-start=\"4158\"\u003eApplication Scenarios:\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul data-end=\"4473\" data-start=\"4187\"\u003e\n\t\u003cli data-end=\"4255\" data-start=\"4187\"\u003e\n\t\u003cp data-end=\"4255\" data-start=\"4189\"\u003eLow-tech planted aquariums that lack pressurized CO₂ systems.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"4318\" data-start=\"4256\"\u003e\n\t\u003cp data-end=\"4318\" data-start=\"4258\"\u003eHigh-light aquariums to supplement carbon availability.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"4397\" data-start=\"4319\"\u003e\n\t\u003cp data-end=\"4397\" data-start=\"4321\"\u003eDuring initial plant setup to reduce “melt” and enhance root anchoring.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"4473\" data-start=\"4398\"\u003e\n\t\u003cp data-end=\"4473\" data-start=\"4400\"\u003eAs a preventive measure for algae control and overall water clarity.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr data-end=\"4478\" data-start=\"4475\"\u003e\n\u003ch3 data-end=\"4502\" data-start=\"4480\"\u003e\u003cstrong data-end=\"4500\" data-start=\"4484\"\u003eExpert Tips:\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul data-end=\"4834\" data-start=\"4503\"\u003e\n\t\u003cli data-end=\"4566\" data-start=\"4503\"\u003e\n\t\u003cp data-end=\"4566\" data-start=\"4505\"\u003eAvoid overdosing; always start with recommended quantities.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"4680\" data-start=\"4567\"\u003e\n\t\u003cp data-end=\"4680\" data-start=\"4569\"\u003eCombine with \u003cstrong data-end=\"4600\" data-start=\"4582\"\u003eSeachem Prime™\u003c\/strong\u003e for dechlorination and \u003cstrong data-end=\"4646\" data-start=\"4624\"\u003eSeachem Stability™\u003c\/strong\u003e to maintain biological balance.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"4761\" data-start=\"4681\"\u003e\n\t\u003cp data-end=\"4761\" data-start=\"4683\"\u003eUse with a good light source (6–8 hours per day) for optimal plant response.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli data-end=\"4834\" data-start=\"4762\"\u003e\n\t\u003cp data-end=\"4834\" data-start=\"4764\"\u003eMaintain steady water parameters (pH 6.5–7.5, temperature 22–28 °C).\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr data-end=\"4839\" data-start=\"4836\"\u003e\n\u003ch3 data-end=\"4892\" data-start=\"4841\"\u003e\u003cstrong data-end=\"4890\" data-start=\"4845\"\u003eWhy Choose Seachem Flourish Excel 500 ml?\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp data-end=\"5163\" data-start=\"4893\"\u003eFor over 30 years, \u003cstrong data-end=\"4936\" data-start=\"4912\"\u003eSeachem Laboratories\u003c\/strong\u003e has been a trusted leader in aquarium science. Flourish Excel is backed by extensive research and used by professional aquascapers worldwide to create lush, vibrant planted environments without the complexity of CO₂ systems.\u003c\/p\u003e\n\n\u003cp data-end=\"5437\" data-start=\"5165\"\u003eIt’s the ideal solution for hobbyists who want the benefits of enhanced plant growth and algae control without the expense of pressurized CO₂ equipment. With regular use, you’ll notice improved leaf coloration, stronger roots, and a cleaner, healthier aquascape overall.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Seachem","offers":[{"title":"Default Title","offer_id":44377421971498,"sku":null,"price":1578.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/9238\/5322\/files\/flourishexcel500ml.jpg?v=1779801012","url":"https:\/\/fishbazaarr.in\/products\/seachem-flourish-excel-500ml","provider":"Fish Bazaar","version":"1.0","type":"link"}