{"product_id":"red-sea-reefsense-ph-calibration-pack","title":"Red Sea ReefSense pH Calibration Pack (pH 7 \u0026 10, 10-Pack)","description":"\u003cp\u003eThe \u003cstrong\u003eRed Sea ReefSense pH Calibration Pack\u003c\/strong\u003e keeps your ReefControl system reading true. Every pH probe drifts a little over time, and in a reef that drift can hide the daily pH swing and calcification trends you are actually trying to track. This pack gives you ten single-use, hermetically sealed foil sachets, five at pH 7.00 and five at pH 10.00, for fast two-point calibration of the \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/red-sea-reefsense-ph-temperature-probe\"\u003eReefSense pH \u0026amp; Temperature Probe\u003c\/a\u003e guided step by step in the ReefBeat app. Because the 7.0 and 10.0 standards bracket the natural marine range of 8.0 to 8.4, your probe is most accurate exactly where a reef tank lives.\u003c\/p\u003e\n\u003ch3 style=\"margin:16px 0 6px;font-size:1.05em;font-weight:600;color:#333;border-left:4px solid #006064;padding-left:8px;\"\u003eWhy You'll Love It\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReef-range accuracy.\u003c\/strong\u003e High-range 7.0 and 10.0 standards bracket the 8.0 to 8.4 band reef tanks run in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFresh fluid every time.\u003c\/strong\u003e Single-use airtight sachets avoid the evaporation, CO2 absorption, and contamination that spoil opened bottles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade for ReefBeat.\u003c\/strong\u003e Pre-measured volumes match the app's guided two-point calibration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFive full cycles.\u003c\/strong\u003e Enough pairs to cover a year of routine maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:16px 0 6px;font-size:1.05em;font-weight:600;color:#333;border-left:4px solid #006064;padding-left:8px;\"\u003eHow to Calibrate\u003c\/h3\u003e\u003cp\u003eRinse the probe tip in RO\/DI water and blot it dry (do not rub) before each buffer. Let the sachets sit near tank temperature, then follow the ReefBeat prompts: pH 7.00 first, rinse, then pH 10.00. Recalibrate about monthly, or any time readings look suspect.\u003c\/p\u003e\n\u003ch3 style=\"margin:16px 0 6px;font-size:1.05em;font-weight:600;color:#333;border-left:4px solid #006064;padding-left:8px;\"\u003eSpecifications\u003c\/h3\u003e\u003ctable style=\"border-collapse:collapse;margin:8px 0;font-size:0.95em;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;font-weight:600;background:#E0F7FA;width:42%;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003eRed Sea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;font-weight:600;background:#E0F7FA;width:42%;\"\u003ePart number\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003eR35840\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;font-weight:600;background:#E0F7FA;width:42%;\"\u003eContents\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003e5 x pH 7.00 sachets, 5 x pH 10.00 sachets (single-use foil)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;font-weight:600;background:#E0F7FA;width:42%;\"\u003eFor\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003eReefSense pH \u0026amp; Temperature Probe (ReefControl ecosystem)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;font-weight:600;background:#E0F7FA;width:42%;\"\u003eCalibration\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003eTwo-point, guided in the ReefBeat app\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;font-weight:600;background:#E0F7FA;width:42%;\"\u003eApplication\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003eSaltwater and reef aquariums\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"margin:16px 0 6px;font-size:1.05em;font-weight:600;color:#333;border-left:4px solid #006064;padding-left:8px;\"\u003eComplete Your Setup\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/red-sea-reefsense-ph-temperature-probe\"\u003eReefSense pH \u0026amp; Temperature Probe\u003c\/a\u003e (the probe this pack calibrates)\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/red-sea-reefcontrol-pro-aquarium-controller\"\u003eReefControl Pro\u003c\/a\u003e or \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/red-sea-reefcontrol-lite-aquarium-controller\"\u003eReefControl Lite\u003c\/a\u003e controllers, or the \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/red-sea-reefcontrol-pro-deluxe-kit\"\u003ePro Deluxe Kit\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/red-sea-reefsense-single-probe-holder\"\u003eSingle Probe Holder\u003c\/a\u003e and \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/red-sea-reefsense-magnetic-4-probe-holder\"\u003eMagnetic 4-Probe Holder\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eBrowse all \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/salt-water\"\u003esaltwater supplies\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:16px 0 6px;font-size:1.05em;font-weight:600;color:#333;border-left:4px solid #006064;padding-left:8px;\"\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eHow often should I calibrate?\u003c\/strong\u003e Roughly monthly for a reef, and whenever a reading drifts from your reference test kit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I reuse a sachet?\u003c\/strong\u003e No. Each is single-use so the buffer is always fresh and uncontaminated.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it work with other brands' probes?\u003c\/strong\u003e The fluid is a standard pH buffer, but the volumes and app workflow are designed for ReefSense probes.\u003c\/p\u003e","brand":"Red Sea","offers":[{"title":"Default Title","offer_id":49312253051099,"sku":"R35840-T","price":32.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/257515-red-sea-reefsense-ph-high-calibration-10pk__63798.1788272745.jpg?v=1789488436","url":"https:\/\/squeakysaquatics.com\/products\/red-sea-reefsense-ph-calibration-pack","provider":"Squeaky's Aquatics","version":"1.0","type":"link"}