{"product_id":"seachem-flourite-black","title":"Seachem Flourite Black","description":"\u003cdiv style=\"background: #E3F2FD; border-left: 4px solid #1E88E5; padding: 10px 14px; margin: 0 0 14px; font-size: 0.95em;\"\u003e\n\u003cstrong\u003eIn-store pickup only.\u003c\/strong\u003e These substrate bags are heavy, so we keep them on the shelf for in-store pickup rather than shipping.\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eSeachem Flourite Black\u003c\/strong\u003e is a stable, porous clay gravel made for the natural planted aquarium. It is fracted clay, not chemically coated or treated, so it will not change your pH, and it stays effective for the life of the tank without ever needing to be replaced. Use it on its own as a complete substrate bed or mix it into your existing gravel. Browse our full range of \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/freshwater-aquarium-plants\"\u003elive aquarium plants\u003c\/a\u003e, \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/fresh-water\"\u003efreshwater supplies\u003c\/a\u003e, and the rest of the \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/seachem\"\u003eSeachem lineup\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3 style=\"margin: 16px 0 4px; font-size: 1.05em; font-weight: 600; line-height: 1.25; border-left: 4px solid #1E88E5; padding-left: 8px;\"\u003eWhy Planted-Tank Keepers Use It\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for roots.\u003c\/strong\u003e The porous clay gives roots something to grab onto and holds nutrients right where the plants can reach them.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo coatings, no extras needed.\u003c\/strong\u003e Not chemically coated or treated, and gravel modifiers like laterite are unnecessary.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH-safe.\u003c\/strong\u003e It will not alter your water chemistry, so it fits any freshwater setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLasts forever.\u003c\/strong\u003e Stays effective for the life of the aquarium and never needs replacing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeep black backdrop.\u003c\/strong\u003e The dark substrate makes fish and plant colors stand out, and it works alone or blended with other gravels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin: 16px 0 4px; font-size: 1.05em; font-weight: 600; line-height: 1.25; border-left: 4px solid #1E88E5; padding-left: 8px;\"\u003eHow to Use\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRinse first.\u003c\/strong\u003e Flourite is dusty out of the bag. Give it a gentle rinse until the water runs clearer before adding it to the tank.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLay your bed.\u003c\/strong\u003e Add about 2 to 3 inches for rooted plants; deeper beds support bigger root systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFill gently.\u003c\/strong\u003e Set a plate or bowl on the substrate and pour water over it slowly so you do not stir up the bed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpect a little cloud.\u003c\/strong\u003e Some cloudiness at first is normal and clears within a few hours to a day once your filter is running.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin: 16px 0 4px; font-size: 1.05em; font-weight: 600; line-height: 1.25; border-left: 4px solid #1E88E5; padding-left: 8px;\"\u003eChoose Your Size\u003c\/h3\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%; font-size: 0.95em;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #E3F2FD;\"\u003e\n\u003cth style=\"border: 1px solid #BBDEFB; padding: 6px 10px; text-align: left;\"\u003eSize\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #BBDEFB; padding: 6px 10px; text-align: left;\"\u003eBest For\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #BBDEFB; padding: 6px 10px;\"\u003e\u003cstrong\u003e3.5 kg (7.7 lbs)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #BBDEFB; padding: 6px 10px;\"\u003eNano and small planted tanks, or topping up an existing bed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #BBDEFB; padding: 6px 10px;\"\u003e\u003cstrong\u003e7 kg (15.4 lbs)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #BBDEFB; padding: 6px 10px;\"\u003eStandard planted tanks; stack multiple bags for larger or deeper aquascapes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"font-size: 0.9em; color: #555; margin: 6px 0 0;\"\u003eAs a rough guide, plan on about 1 to 2 lbs per gallon depending on how deep a bed you want.\u003c\/p\u003e\n\u003ch3 style=\"margin: 16px 0 4px; font-size: 1.05em; font-weight: 600; line-height: 1.25; border-left: 4px solid #1E88E5; padding-left: 8px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%; font-size: 0.95em;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #BBDEFB; padding: 6px 10px; width: 38%;\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #BBDEFB; padding: 6px 10px;\"\u003eStable porous clay gravel substrate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #BBDEFB; padding: 6px 10px;\"\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #BBDEFB; padding: 6px 10px;\"\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #BBDEFB; padding: 6px 10px;\"\u003e\u003cstrong\u003eWater type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #BBDEFB; padding: 6px 10px;\"\u003eFreshwater, best for planted tanks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #BBDEFB; padding: 6px 10px;\"\u003e\u003cstrong\u003eCoverage guide\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #BBDEFB; padding: 6px 10px;\"\u003e~1 to 2 lbs per gallon for a 2 to 3 inch bed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #BBDEFB; padding: 6px 10px;\"\u003e\u003cstrong\u003eEffect on pH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #BBDEFB; padding: 6px 10px;\"\u003eNone; not coated or treated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #BBDEFB; padding: 6px 10px;\"\u003e\u003cstrong\u003eLifespan\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #BBDEFB; padding: 6px 10px;\"\u003ePermanent; never needs replacing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #BBDEFB; padding: 6px 10px;\"\u003e\u003cstrong\u003eSizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #BBDEFB; padding: 6px 10px;\"\u003e3.5 kg (7.7 lbs), 7 kg (15.4 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #BBDEFB; padding: 6px 10px;\"\u003e\u003cstrong\u003eAvailability\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #BBDEFB; padding: 6px 10px;\"\u003eIn-store pickup only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"margin: 16px 0 4px; font-size: 1.05em; font-weight: 600; line-height: 1.25; border-left: 4px solid #1E88E5; padding-left: 8px;\"\u003eRecommended Pairings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/seachem-flourish-tabs\"\u003eSeachem Flourish Tabs\u003c\/a\u003e root tabs, pushed into the bed for heavy root feeders like swords and crypts.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/seachem-flourish-iron-ferrous-iron-planted\"\u003eSeachem Flourish Iron\u003c\/a\u003e for deep green, lush growth.\u003c\/li\u003e\n\u003cli\u003eA selection of \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/freshwater-aquarium-plants\"\u003elive aquarium plants\u003c\/a\u003e to root into your new bed.\u003c\/li\u003e\n\u003cli\u003ePrefer a warmer tone? \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/seachem-flourite-red\"\u003eSeachem Flourite Red\u003c\/a\u003e is the same substrate in a reddish-brown color.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin: 16px 0 4px; font-size: 1.05em; font-weight: 600; line-height: 1.25; border-left: 4px solid #1E88E5; padding-left: 8px;\"\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need to rinse it first?\u003c\/strong\u003e\u003cbr\u003eYes. It is dusty straight from the bag, so a gentle rinse until the water runs clearer makes setup much cleaner. A little cloudiness when you fill the tank is still normal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it change my pH or hardness?\u003c\/strong\u003e\u003cbr\u003eNo. Flourite is not chemically coated or treated and will not alter your water chemistry.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I still need root tabs or fertilizer?\u003c\/strong\u003e\u003cbr\u003eFlourite holds nutrients well at the roots, but heavy root feeders still benefit from root tabs and stem plants appreciate water-column dosing. Pair it with the Seachem Flourish line.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use it in a tank without plants?\u003c\/strong\u003e\u003cbr\u003eYes. It works as a regular freshwater gravel; it just performs best in planted setups.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much will I need?\u003c\/strong\u003e\u003cbr\u003eRoughly 1 to 2 lbs per gallon for a 2 to 3 inch bed. Larger footprints and deeper aquascapes need more, so buy multiple bags for big tanks.\u003c\/p\u003e","brand":"Seachem","offers":[{"title":"3.5kg\/7.7lbs","offer_id":48788210548955,"sku":"3723","price":18.99,"currency_code":"USD","in_stock":false},{"title":"7kg\/15.4lbs","offer_id":48788210581723,"sku":"3725","price":26.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/3723-Flourite-Black-3.5-kg.png?v=1779180719","url":"https:\/\/squeakysaquatics.com\/products\/seachem-flourite-black","provider":"Squeaky's Aquatics","version":"1.0","type":"link"}