{"product_id":"waterbox-reef-salt-synthetic-marine-salt-mix","title":"Waterbox Reef Salt | Synthetic Marine Salt Mix for Mixed Reefs \u0026 SPS","description":"\u003cp\u003eWaterbox Reef Salt is a synthetic marine salt mix engineered specifically for mixed reefs and SPS-dominant systems. Loaded with major and minor trace elements at reef-stable levels, it dissolves ultra-fast and clean for confidence-inspiring water changes — and every batch is ICP-OES tested every 2,000 lbs to guarantee consistency. Available in 5 KG \/ 11 LB and 20 KG \/ 44 LB box sizes.\u003c\/p\u003e\n\n\u003cp\u003eBrowse more in our \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/salt-mixes\"\u003esalt mixes collection\u003c\/a\u003e or shop the full \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/salt-water\"\u003esaltwater\u003c\/a\u003e lineup.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Reefkeepers Choose Waterbox Reef Salt\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDesigned for mixed reefs \u0026amp; SPS\u003c\/strong\u003e — formulated specifically for the demanding water-chemistry needs of stony coral systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSynthetic reef salt mix\u003c\/strong\u003e — no harvested seawater, no inconsistencies; every box mixes to the same target.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull major \u0026amp; minor trace elements\u003c\/strong\u003e — calcium, alkalinity, magnesium plus the trace elements corals consume.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-fast and clean mixing\u003c\/strong\u003e — dissolves quickly with no residue, so you can do same-day water changes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eICP-OES tested every 2,000 lbs\u003c\/strong\u003e — independently verified consistency from box to box.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMixing \u0026amp; Usage\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eStandard salinity:\u003c\/strong\u003e Mix to a target specific gravity of 1.025 (35 ppt). Use RODI water and an accurate \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/saltwater-refractometer-hard-case-atc-salinity-tester\"\u003erefractometer\u003c\/a\u003e for best results.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApproximate ratio:\u003c\/strong\u003e Roughly ½ cup of salt per gallon of RODI water; always confirm with a refractometer.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAerate \u0026amp; circulate:\u003c\/strong\u003e Mix in a clean container with a powerhead for at least 1–2 hours (or overnight) before use. Match temperature to your display before adding.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWater changes:\u003c\/strong\u003e Replace 10% weekly or 20% bi-weekly to maintain stable parameters in mixed reef and SPS systems.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%;\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eWaterbox\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cstrong\u003eProduct\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eReef Salt — Synthetic Marine Salt Mix\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cstrong\u003eSizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e5 KG \/ 11 LB box and 20 KG \/ 44 LB box\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cstrong\u003eBest For\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eMixed reefs, SPS-dominant tanks, FOWLR\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cstrong\u003eMix Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eSynthetic — fully reef-ready trace element profile\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cstrong\u003eQuality Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eICP-OES tested every 2,000 lbs produced\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cstrong\u003eWater Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eSaltwater only\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cstrong\u003eRecommended Salinity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e1.025 SG \/ 35 ppt\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eRecommended Pairings\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/saltwater-refractometer-hard-case-atc-salinity-tester\"\u003eSaltwater Refractometer\u003c\/a\u003e — verify salinity every batch.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/hanna-instruments-hi96822-digital-refractometer-seawater-analysis\"\u003eHanna HI96822 Digital Refractometer\u003c\/a\u003e — lab-grade accuracy for salinity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/red-sea-reef-foundation-pro-multi-test-kit-ca-alk-mg\"\u003eRed Sea Reef Foundation Pro Test Kit\u003c\/a\u003e — track Ca, Alk, Mg between water changes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/hanna-marine-coral-care-kit\"\u003eHanna Marine Coral Care Kit\u003c\/a\u003e — full-suite reef testing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/waterbox-calcium\"\u003eWaterbox Calcium\u003c\/a\u003e, \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/waterbox-alkalinity\"\u003eAlkalinity\u003c\/a\u003e \u0026amp; \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/waterbox-conditioner\"\u003eConditioner\u003c\/a\u003e — round out your Waterbox water-care system.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/salt-mixes\"\u003eBrowse all salt mixes\u003c\/a\u003e if you'd like to compare alternatives.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs this salt good for SPS?\u003c\/strong\u003e\u003cbr\u003eYes — Waterbox Reef Salt is formulated specifically for mixed reefs and SPS-dominant systems, with elevated alkalinity and trace element levels SPS corals demand.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow fast does it mix?\u003c\/strong\u003e\u003cbr\u003eWaterbox Reef Salt is engineered for ultra-fast, clean mixing. With proper circulation and aeration, it typically dissolves clear within 30–60 minutes; we still recommend at least an hour (or overnight) before use to ensure full equilibration.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow many gallons does each box make?\u003c\/strong\u003e\u003cbr\u003eApproximate yield depends on target salinity, but the 5 KG \/ 11 LB box mixes roughly 35–40 gallons and the 20 KG \/ 44 LB box mixes roughly 140–160 gallons at 1.025 SG. Always verify with a refractometer.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy does ICP-OES testing matter?\u003c\/strong\u003e\u003cbr\u003eSynthetic salt mixes can drift batch-to-batch if not monitored. ICP-OES testing every 2,000 lbs verifies that each production run hits the same trace-element targets — so the salt you buy today mixes to the same chemistry as the salt you bought last month.\u003c\/p\u003e","brand":"Waterbox","offers":[{"title":"5KG\/11LB","offer_id":48609074938075,"sku":null,"price":29.99,"currency_code":"USD","in_stock":false},{"title":"20KG\/44LB","offer_id":48609074970843,"sku":"39219","price":84.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/REEFSALT_20KG_jpg.webp?v=1776432800","url":"https:\/\/squeakysaquatics.com\/products\/waterbox-reef-salt-synthetic-marine-salt-mix","provider":"Squeaky's Aquatics","version":"1.0","type":"link"}