{"product_id":"seachem-flourish-phosphorus-plant-supplement-500ml","title":"Seachem Flourish Phosphorus Plant Supplement – 500mL","description":"\u003cp\u003e\u003cstrong\u003eSeachem Flourish Phosphorus\u003c\/strong\u003e is a concentrated phosphorus supplement for freshwater planted aquariums. Phosphorus is one of the three major macronutrients aquatic plants need for healthy growth, along with nitrogen and potassium.\u003c\/p\u003e\n\u003cp\u003eFlourish Phosphorus provides phosphate from potassium phosphate and is nitrate free, allowing planted aquarium hobbyists to dose phosphate separately based on plant demand without also increasing nitrate.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePhosphorus supplement for freshwater planted aquariums\u003c\/li\u003e\n\u003cli\u003eProvides phosphate from potassium phosphate\u003c\/li\u003e\n\u003cli\u003eNitrate free for separate phosphate dosing\u003c\/li\u003e\n\u003cli\u003eHelps support healthy aquatic plant growth\u003c\/li\u003e\n\u003cli\u003eUseful for planted tanks with low phosphate levels\u003c\/li\u003e\n\u003cli\u003eCan help address phosphorus deficiency signs such as stunted growth or very dark green plants\u003c\/li\u003e\n\u003cli\u003ePairs well with Seachem Flourish Nitrogen and Flourish Potassium\u003c\/li\u003e\n\u003cli\u003e500mL bottle is great for routine dosing or larger planted aquariums\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRecommended Use\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFreshwater planted aquariums\u003c\/li\u003e\n\u003cli\u003eLow-phosphate planted tanks\u003c\/li\u003e\n\u003cli\u003eHigh-light aquascapes\u003c\/li\u003e\n\u003cli\u003eCO₂-injected planted tanks\u003c\/li\u003e\n\u003cli\u003eHeavily planted aquariums\u003c\/li\u003e\n\u003cli\u003eAquariums showing signs of phosphorus deficiency\u003c\/li\u003e\n\u003cli\u003ePlanted tanks where phosphate is quickly depleted\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDirections\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eShake well before use.\u003c\/strong\u003e Test phosphate levels regularly and dose according to plant demand.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBeginner Dose:\u003c\/strong\u003e Use 2.5mL for each 20 US gallons once or twice a week, or as needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBeginner Dose Increase:\u003c\/strong\u003e This dose raises phosphorus by approximately 0.05 mg\/L, equal to about 0.15 mg\/L phosphate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTarget Range:\u003c\/strong\u003e Ideal phosphate varies by aquarium, but generally ranges from 0.15–1.0 mg\/L.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmall Tank Dose:\u003c\/strong\u003e Each cap thread is approximately 1mL.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePair With:\u003c\/strong\u003e Seachem Flourish Nitrogen and Flourish Potassium for balanced planted aquarium macronutrient support.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Seachem\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e Flourish Phosphorus\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 500mL \/ 17 fl oz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 000116019309\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater Type:\u003c\/strong\u003e Freshwater\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Phosphorus \/ phosphate supplement for freshwater planted aquariums\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eWhat does Seachem Flourish Phosphorus do?\u003c\/h4\u003e\n\u003cp\u003eFlourish Phosphorus provides phosphate to freshwater aquarium plants, helping support healthy growth and preventing phosphorus from becoming a limiting nutrient.\u003c\/p\u003e\n\u003ch4\u003eWhen should I use Flourish Phosphorus?\u003c\/h4\u003e\n\u003cp\u003eUse Flourish Phosphorus when phosphate levels are low or when plants show signs of phosphorus deficiency, such as stunted growth or very dark green coloration.\u003c\/p\u003e\n\u003ch4\u003eIs Flourish Phosphorus the same as Seachem Flourish?\u003c\/h4\u003e\n\u003cp\u003eNo. Seachem Flourish is a comprehensive trace supplement, while Flourish Phosphorus is a targeted macronutrient supplement for phosphate support.\u003c\/p\u003e\n\u003ch4\u003eDoes Flourish Phosphorus contain nitrate?\u003c\/h4\u003e\n\u003cp\u003eNo. Flourish Phosphorus is nitrate free, allowing phosphate to be dosed without also increasing nitrate.\u003c\/p\u003e\n\u003ch4\u003eHow often should I dose Flourish Phosphorus?\u003c\/h4\u003e\n\u003cp\u003eThe beginner dose is 2.5mL per 20 gallons once or twice weekly, or as needed based on plant growth and phosphate testing.\u003c\/p\u003e\n\u003ch4\u003eWhat phosphate level should I aim for?\u003c\/h4\u003e\n\u003cp\u003eThe ideal phosphate level varies by tank, but Seachem notes that it generally ranges from 0.15–1.0 mg\/L.\u003c\/p\u003e\n\u003ch4\u003eCan Flourish Phosphorus cause algae?\u003c\/h4\u003e\n\u003cp\u003eAny nutrient supplement can contribute to algae if overdosed or if lighting, CO₂, and maintenance are out of balance. Dose based on plant demand and test water regularly.\u003c\/p\u003e\n\u003ch4\u003eCan I use Flourish Phosphorus with Flourish Nitrogen and Potassium?\u003c\/h4\u003e\n\u003cp\u003eYes. It can be used with Flourish Nitrogen and Flourish Potassium when a planted aquarium needs balanced macronutrient support.\u003c\/p\u003e\n\u003ch4\u003eIs Flourish Phosphorus safe for shrimp?\u003c\/h4\u003e\n\u003cp\u003eSeachem states that Flourish Phosphorus is safe for invertebrates such as shrimp when used as directed.\u003c\/p\u003e\n\u003ch3\u003eImportant Note\u003c\/h3\u003e\n\u003cp\u003eThis product is intended for ornamental freshwater aquarium use only. Keep out of reach of children. Not for human consumption. Always follow label directions and test phosphate regularly when dosing phosphorus supplements.\u003c\/p\u003e","brand":"Tropical Treasures Wyo LLC","offers":[{"title":"Default Title","offer_id":53817959710933,"sku":null,"price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/4545\/8133\/files\/SC01930-2T.png?v=1778880232","url":"https:\/\/tropicaltreasureswyo.com\/products\/seachem-flourish-phosphorus-plant-supplement-500ml","provider":"Tropical Treasures Wyo LLC","version":"1.0","type":"link"}