{"product_id":"ati-phos-stop-gfo-1000-ml","title":"ATI Phos Stop GFO - 1000 mL","description":"\u003cp\u003eATI Phos Stop is an iron-based granular ferric oxide (GFO) for fast, reliable removal of phosphate and silicate, the nutrients behind many nuisance algae outbreaks. It also binds organic compounds and heavy metals such as copper, and holds what it binds even as it nears exhaustion. This size is 1000 mL (650 g, 1.4 lb).\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 #006064;padding-left:8px;\"\u003ePerformance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhosphate and silicate:\u003c\/strong\u003e Removes up to 15,000 mg phosphate and 10,000 mg silicate per kg in marine water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy metals:\u003c\/strong\u003e Binds up to 8,000 mg of heavy metals such as copper per kg.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurface area:\u003c\/strong\u003e 230 m²\/g for efficient adsorption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStable:\u003c\/strong\u003e Chemically stable iron-based structure suited to reef systems.\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 #006064;padding-left:8px;\"\u003eHow to use\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eATI targets phosphate at 0.03 to 0.1 mg\/L (ppm) and silicate below 0.1 mg\/L (ppm)\u003c\/li\u003e\n\u003cli\u003eUse 50 to 150 mL (about 30 to 90 g) per 100 L (26 gal); adjust to your nutrient levels\u003c\/li\u003e\n\u003cli\u003eRinse briefly with RODI water before use\u003c\/li\u003e\n\u003cli\u003eRecommended: a media reactor on slow flow, gently fluidized or held steady, not tumbling\u003c\/li\u003e\n\u003cli\u003eNo reactor? Place it in a mesh bag in a high-flow area and knead the bag occasionally (outside the water) to prevent clumping\u003c\/li\u003e\n\u003cli\u003eReplace when phosphate or silicate stops falling or starts to rise\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 #006064;padding-left:8px;\"\u003eSpecifications\u003c\/h3\u003e\u003ctable style=\"border-collapse:collapse;width:100%;font-size:0.95em;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #B2EBF2;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #B2EBF2;\"\u003eATI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #B2EBF2;\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #B2EBF2;\"\u003eIron-based GFO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #B2EBF2;\"\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #B2EBF2;\"\u003e1000 mL \/ 650 g (1.4 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #B2EBF2;\"\u003e\u003cstrong\u003eCapacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #B2EBF2;\"\u003eUp to 15,000 mg PO4, 10,000 mg silicate, 8,000 mg heavy metals per kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #B2EBF2;\"\u003e\u003cstrong\u003eSurface area\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #B2EBF2;\"\u003e230 m²\/g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #B2EBF2;\"\u003e\u003cstrong\u003eDose\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #B2EBF2;\"\u003e50 to 150 mL per 100 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #B2EBF2;\"\u003e\u003cstrong\u003eWater type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #B2EBF2;\"\u003eSaltwater and reef\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #B2EBF2;\"\u003e\u003cstrong\u003eUPC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #B2EBF2;\"\u003e4260216216442\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\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 #006064;padding-left:8px;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eHow low should phosphate go?\u003c\/strong\u003e ATI's target is 0.03 to 0.1 mg\/L; don't strip it to zero.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eReactor or bag?\u003c\/strong\u003e A reactor on slow flow is recommended; a mesh bag in high flow works if you don't have one.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen do I replace it?\u003c\/strong\u003e When your phosphate or silicate readings stop dropping or begin to rise.\u003c\/p\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":50512671113435,"sku":"2520004","price":22.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/ATI_Phos_Stop_3000x3000px.jpg?v=1790233162","url":"https:\/\/squeakysaquatics.com\/products\/ati-phos-stop-gfo-1000-ml","provider":"Squeaky's Aquatics","version":"1.0","type":"link"}