{"product_id":"ati-multi-standard-reference-solution","title":"ATI Multi Standard Reference Solution","description":"\u003cp\u003eATI Multi Standard is a seawater reference solution with certified values for checking the accuracy of your test kits, refractometer and meters. Test it exactly as you would tank water and compare against the known values to find any offset. It's made from ATI Absolute Ocean, so it behaves chemically like real seawater, and every batch is checked by the ATI lab in Germany.\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;\"\u003eWhy use a reference standard?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eValidate test kits:\u003c\/strong\u003e Confirm whether your alkalinity, calcium or magnesium kits read true.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibrate:\u003c\/strong\u003e Set refractometers, hydrometers and conductivity meters to 35 PSU.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal seawater chemistry:\u003c\/strong\u003e Based on ATI Absolute Ocean, so the reference behaves like aquarium water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLab certified:\u003c\/strong\u003e Every batch passes quality control at the ATI lab in Germany.\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;\"\u003eCertified reference values\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\u003eSalinity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #B2EBF2;\"\u003e35 PSU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #B2EBF2;\"\u003e\u003cstrong\u003eAlkalinity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #B2EBF2;\"\u003e7.5 °dKH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #B2EBF2;\"\u003e\u003cstrong\u003eCalcium\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #B2EBF2;\"\u003e421 mg\/L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #B2EBF2;\"\u003e\u003cstrong\u003eMagnesium\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #B2EBF2;\"\u003e1,313 mg\/L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #B2EBF2;\"\u003e\u003cstrong\u003ePotassium\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #B2EBF2;\"\u003e408 mg\/L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #B2EBF2;\"\u003e\u003cstrong\u003eStrontium\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #B2EBF2;\"\u003e8.1 mg\/L\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;\"\u003eHow to use\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMake sure vials and equipment are clean and dry\u003c\/li\u003e\n\u003cli\u003eRun your test exactly as usual, using the Multi Standard instead of tank water\u003c\/li\u003e\n\u003cli\u003eCompare with the values above. Example: if your kit reads 8.5 dKH on the 7.5 dKH standard, it has a +1.0 dKH offset\u003c\/li\u003e\n\u003cli\u003eClose the bottle right after use; evaporation raises the concentration and invalidates the reference\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\u003eSizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #B2EBF2;\"\u003e150 mL, 1000 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #B2EBF2;\"\u003e\u003cstrong\u003eBase\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #B2EBF2;\"\u003eATI Absolute Ocean\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #B2EBF2;\"\u003e\u003cstrong\u003eSalinity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #B2EBF2;\"\u003e35 PSU\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\u003eUPCs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #B2EBF2;\"\u003e4260216216350, 4260216216367\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\u003eCan I calibrate my refractometer with it?\u003c\/strong\u003e Yes. It's a 35 PSU standard for refractometers, hydrometers and conductivity meters.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it go bad?\u003c\/strong\u003e Keep it tightly closed; evaporation concentrates it and changes the reference values.\u003c\/p\u003e","brand":"ATI","offers":[{"title":"150 mL","offer_id":50512671146203,"sku":"3530001","price":16.95,"currency_code":"USD","in_stock":false},{"title":"1000 mL","offer_id":50512671178971,"sku":"3530002","price":26.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/ATI_Multi_Standard_Shop_USA_3000x3000px_2d4931f5-aaa8-4a32-bcf1-0fd588dd8c4e.jpg?v=1790233172","url":"https:\/\/squeakysaquatics.com\/products\/ati-multi-standard-reference-solution","provider":"Squeaky's Aquatics","version":"1.0","type":"link"}