{"product_id":"seachem-flourish-phosphorus-supplement-planted","title":"Seachem Flourish Phosphorus","description":"\u003cstyle\u003e\n  .aq-pd { font-family: Georgia, 'Times New Roman', serif; color:#1a1a1a; line-height:1.6; }\n  .aq-pd h2 { font-size:1.25em; font-weight:700; margin:1.4em 0 .5em; border-left:4px solid #1E88E5; padding-left:10px; line-height:1.2; }\n  .aq-pd p { margin:0 0 1em; }\n  .aq-pd a { color:#1565C0; }\n  .aq-callout { background:#E3F2FD; border-left:4px solid #1E88E5; padding:12px 16px; margin:0 0 16px; font-size:.97em; }\n  .aq-features { display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:12px; margin:0 0 8px; }\n  .aq-feature { background:#F1F8FE; border:1px solid #BBDEFB; border-radius:8px; padding:12px 14px; }\n  .aq-feature strong { display:block; margin-bottom:4px; color:#0D47A1; }\n  .aq-table { width:100%; border-collapse:collapse; margin:.4em 0 1em; font-size:.95em; }\n  .aq-table th, .aq-table td { border:1px solid #BBDEFB; padding:8px 10px; text-align:left; }\n  .aq-table th { background:#E3F2FD; }\n  .aq-table tr:nth-child(even) td { background:#F1F8FE; }\n  .aq-specs-table { width:100%; border-collapse:collapse; margin:.4em 0 1em; font-size:.95em; }\n  .aq-specs-table th, .aq-specs-table td { border:1px solid #BBDEFB; padding:8px 10px; text-align:left; }\n  .aq-specs-table th { background:#E3F2FD; width:38%; }\n\u003c\/style\u003e\n\u003cdiv class=\"aq-pd\"\u003e\n\u003cp\u003e\u003cstrong\u003eSeachem Flourish Phosphorus\u003c\/strong\u003e is a concentrated phosphate source for the planted aquarium. Phosphorus is one of the three key macro nutrients (nitrogen, phosphorus, potassium, or NPK) and often becomes the limiting factor to growth. Flourish Phosphorus is a safe potassium-phosphate solution that is nitrate free, so you can dose phosphorus to your plants' needs without raising nitrates. Browse our full range of \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/additives-supplements\"\u003eadditives and supplements\u003c\/a\u003e and the rest of the \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/seachem\"\u003eSeachem lineup\u003c\/a\u003e.\u003c\/p\u003e\n\u003cdiv class=\"aq-callout\"\u003e\n\u003cstrong\u003eDose phosphate, not nitrate.\u003c\/strong\u003e A nitrate-free phosphorus source that lets you tune PO4 independently, so you can correct a phosphorus limit without overdosing nitrogen.\u003c\/div\u003e\n\u003ch2\u003eWhy Seachem Flourish Phosphorus\u003c\/h2\u003e\n\u003cdiv class=\"aq-features\"\u003e\n\u003cdiv class=\"aq-feature\"\u003e\n\u003cstrong\u003eNitrate free\u003c\/strong\u003eDose phosphorus independently without raising your nitrate level.\u003c\/div\u003e\n\u003cdiv class=\"aq-feature\"\u003e\n\u003cstrong\u003eSafe phosphate source\u003c\/strong\u003eA potassium-phosphate solution at 4,500 mg\/L phosphate.\u003c\/div\u003e\n\u003cdiv class=\"aq-feature\"\u003e\n\u003cstrong\u003eFixes phosphorus limits\u003c\/strong\u003eCorrects the stalled growth caused by a phosphorus shortage.\u003c\/div\u003e\n\u003cdiv class=\"aq-feature\"\u003e\n\u003cstrong\u003ePrecise control\u003c\/strong\u003eTune PO4 separately from nitrogen for a balanced macro routine.\u003c\/div\u003e\n\u003cdiv class=\"aq-feature\"\u003e\n\u003cstrong\u003ePart of the NPK trio\u003c\/strong\u003ePairs with Flourish Nitrogen and Potassium for complete macros.\u003c\/div\u003e\n\u003cdiv class=\"aq-feature\"\u003e\n\u003cstrong\u003eFreshwater planted tanks\u003c\/strong\u003eSafe for plants, fish, and invertebrates when used as directed.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003cp\u003eShake well before use. Add 2.5 mL (half a capful) to every 125 liters (about 30 US gallons) twice a week, or dose as needed in response to signs of phosphorus deficiency. Adjust to keep phosphate in balance with your nitrogen. For best results, use as part of a complete fertilizer routine.\u003c\/p\u003e\n\u003ch2\u003eChoose Your Size\u003c\/h2\u003e\n\u003ctable class=\"aq-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eBest for\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e100 mL\u003c\/td\u003e\n\u003ctd\u003eNano and small planted tanks, or trying Flourish Phosphorus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e250 mL\u003c\/td\u003e\n\u003ctd\u003eStandard small to mid planted aquariums\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e500 mL\u003c\/td\u003e\n\u003ctd\u003eMid-size and well-planted tanks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2 L\u003c\/td\u003e\n\u003ctd\u003eLarge or multiple tanks, best value per mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable class=\"aq-specs-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eSeachem\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eLiquid phosphorus (P) supplement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePhosphate source\u003c\/th\u003e\n\u003ctd\u003ePotassium phosphate, nitrate free\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConcentration\u003c\/th\u003e\n\u003ctd\u003e4,500 mg\/L phosphate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDose\u003c\/th\u003e\n\u003ctd\u003e2.5 mL per 125 L (30 gal) twice weekly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSizes\u003c\/th\u003e\n\u003ctd\u003e100 mL, 250 mL, 500 mL, 2 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eRecommended Pairings\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUse with Flourish Nitrogen and Potassium for a full NPK routine, found in our \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/seachem\"\u003eSeachem range\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eBrowse all \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/additives-supplements\"\u003eadditives and supplements\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eShop everything for \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/freshwater-aquarium-plants\"\u003eplanted aquariums\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I know my plants need phosphorus?\u003c\/strong\u003e\u003cbr\u003ePhosphorus deficiency often shows as stunted growth and darkening or browning of older leaves. Testing your phosphate level helps confirm it.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is nitrate-free important?\u003c\/strong\u003e\u003cbr\u003eMany all-in-one products lock phosphorus and nitrogen in a fixed ratio. A nitrate-free phosphorus source lets you raise PO4 without also raising nitrate.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does it differ from Nitrogen and Potassium?\u003c\/strong\u003e\u003cbr\u003eEach targets one macro nutrient. Use Nitrogen, Phosphorus, and Potassium together to dose the full NPK your plants need.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it safe for fish and shrimp?\u003c\/strong\u003e\u003cbr\u003eYes, when dosed as directed it is safe for fish and invertebrates in the planted freshwater aquarium.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Seachem","offers":[{"title":"100 mL","offer_id":48804731846875,"sku":"195","price":5.15,"currency_code":"USD","in_stock":false},{"title":"250 mL","offer_id":48804731879643,"sku":"196","price":7.42,"currency_code":"USD","in_stock":true},{"title":"500 mL","offer_id":48804731912411,"sku":"193","price":11.83,"currency_code":"USD","in_stock":false},{"title":"2 L","offer_id":48804731945179,"sku":"198","price":40.62,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/0195-Flourish-Phosphorus-100-mL.png?v=1779664987","url":"https:\/\/squeakysaquatics.com\/products\/seachem-flourish-phosphorus-supplement-planted","provider":"Squeaky's Aquatics","version":"1.0","type":"link"}