{"product_id":"milwaukee-ph-calibration-solution-7-01-10-01","title":"Milwaukee pH Calibration Solution","description":"\u003cstyle\u003e\n.aq-pd{font-family:Georgia,serif;color:#1a1a1a;max-width:860px;margin:0 auto;line-height:1.7;}\n.aq-pd h2{font-size:1.4em;font-weight:700;border-left:4px solid #006064;padding-left:12px;margin:1.6em 0 0.5em;}\n.aq-pd p{margin:0.5em 0 1em;}\n.aq-callout{background:#1a1a1a;color:#fff;border-radius:4px;padding:16px 20px;margin:1.4em 0;font-family:Arial,sans-serif;font-size:0.93em;line-height:1.6;}\n.aq-callout strong{color:#4dd0e1;}\n.aq-features{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px;margin:1em 0 1.6em;}\n.aq-feature-card{background:#E0F7FA;border-radius:4px;padding:14px 16px;border-left:3px solid #006064;font-family:Arial,sans-serif;font-size:0.9em;}\n.aq-feature-card strong{display:block;margin-bottom:3px;color:#1a1a1a;}\n.aq-feature-card span{color:#555;}\n.aq-compare{overflow-x:auto;margin:1em 0 1.6em;}\n.aq-compare table{width:100%;border-collapse:collapse;font-family:Arial,sans-serif;font-size:0.9em;min-width:420px;}\n.aq-compare th{background:#006064;color:#fff;padding:9px 14px;text-align:center;font-weight:700;}\n.aq-compare th:first-child{background:#1a1a1a;text-align:left;}\n.aq-compare td{padding:8px 14px;border-bottom:1px solid #B2EBF2;text-align:center;}\n.aq-compare td:first-child{text-align:left;font-weight:600;color:#444;background:#f4fbfc;}\n.aq-specs-table{width:100%;border-collapse:collapse;margin-top:0.5em;font-family:Arial,sans-serif;font-size:0.92em;}\n.aq-specs-table th{background:#1a1a1a;color:#fff;text-align:left;padding:9px 14px;font-weight:600;font-size:0.82em;text-transform:uppercase;}\n.aq-specs-table td{padding:8px 14px;border-bottom:1px solid #B2EBF2;vertical-align:top;}\n.aq-specs-table td:first-child{font-weight:600;width:42%;color:#444;}\n\u003c\/style\u003e\n\u003cdiv class=\"aq-pd\"\u003e\n\n\u003cp\u003eKeep your pH readings honest. \u003cstrong\u003eMilwaukee pH Calibration Solution\u003c\/strong\u003e comes in single-use 20 mL sachets of pH 7.01 and pH 10.01 buffer, the two reference points most aquarium pH probes and pens use for an accurate two-point calibration. A drifting probe is the most common reason a tank \"reads fine\" while parameters quietly slip, so fresh, sealed buffer is cheap insurance for any reef or planted tank running a pH controller or monitor. Pairs perfectly with the gear in our \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/water-testing\"\u003ewater testing\u003c\/a\u003e collection.\u003c\/p\u003e\n\n\u003cdiv class=\"aq-callout\"\u003e\n\u003cstrong\u003eSingle-use sachets, not an open bottle.\u003c\/strong\u003e Each foil sachet is sealed and used once, so the buffer never sits open absorbing CO2 or getting contaminated. That is the difference between a calibration you can trust and one that drifts the moment the bottle is cracked.\n\u003c\/div\u003e\n\n\u003ch2\u003eHow Two-Point Calibration Works\u003c\/h2\u003e\n\u003cp\u003eA pH probe is calibrated against known reference values. You dip the rinsed probe in pH 7.01 to set the neutral point, then in pH 10.01 (or pH 4.01) to set the slope. Tear a sachet, calibrate, and discard. For reef and high-alkalinity tanks the 7.01 and 10.01 pair brackets your real-world readings best; freshwater and planted keepers running CO2 can use 7.01 with a 4.01 buffer if their water trends acidic.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cdiv class=\"aq-features\"\u003e\n\u003cdiv class=\"aq-feature-card\"\u003e\n\u003cstrong\u003eTwo buffer values\u003c\/strong\u003e\u003cspan\u003epH 7.01 and pH 10.01 sold separately so you buy only what your routine needs.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"aq-feature-card\"\u003e\n\u003cstrong\u003e20 mL single-use sachet\u003c\/strong\u003e\u003cspan\u003eSealed, one-shot pour. No open bottle to oxidize or contaminate.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"aq-feature-card\"\u003e\n\u003cstrong\u003eAccurate reference\u003c\/strong\u003e\u003cspan\u003eColor-coded, value-stamped buffer for repeatable, reliable calibration.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"aq-feature-card\"\u003e\n\u003cstrong\u003eUniversal fit\u003c\/strong\u003e\u003cspan\u003eWorks with Hydros, Apex, Milwaukee, and virtually any pH probe or handheld pen.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"aq-feature-card\"\u003e\n\u003cstrong\u003eFresh and dated\u003c\/strong\u003e\u003cspan\u003eIndividually packaged buffer stays accurate far longer than a half-used jug.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"aq-feature-card\"\u003e\n\u003cstrong\u003eFresh or salt water\u003c\/strong\u003e\u003cspan\u003eThe same buffers calibrate probes on reef, fish-only, and planted systems alike.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eChoose Your Buffer\u003c\/h2\u003e\n\u003cdiv class=\"aq-compare\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003epH 7.01\u003c\/th\u003e\n\u003cth\u003epH 10.01\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCalibration point\u003c\/td\u003e\n\u003ctd\u003eNeutral \/ zero point\u003c\/td\u003e\n\u003ctd\u003eHigh \/ slope point\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUse it for\u003c\/td\u003e\n\u003ctd\u003eEvery calibration (the baseline)\u003c\/td\u003e\n\u003ctd\u003eReef \u0026amp; alkaline tanks (slope)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume\u003c\/td\u003e\n\u003ctd\u003e20 mL single-use\u003c\/td\u003e\n\u003ctd\u003e20 mL single-use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eM10007\u003c\/td\u003e\n\u003ctd\u003eM10010\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003eFor a standard two-point calibration on a reef or marine tank, grab one of each. Most controllers walk you through 7.01 first, then 10.01.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable class=\"aq-specs-table\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct\u003c\/td\u003e\n\u003ctd\u003epH calibration buffer solution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuffer values\u003c\/td\u003e\n\u003ctd\u003epH 7.01 and pH 10.01 (sold separately)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume per sachet\u003c\/td\u003e\n\u003ctd\u003e20 mL, single use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eAquarium pH probes, controllers, and handheld pens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater type\u003c\/td\u003e\n\u003ctd\u003eFreshwater and saltwater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eMilwaukee Instruments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eRecommended Pairings\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/coralvue-hydros-salinity-probe-kit\"\u003eHydros Salinity Probe Kit\u003c\/a\u003e and other monitoring gear that need regular calibration\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/hanna-salinity-35-ppt-calibration-sachet\"\u003eHanna 35 ppt Salinity Calibration Sachet\u003c\/a\u003e to calibrate your salinity probe the same way\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/fritz-wide-range-ph-test-kit-aquarium\"\u003eFritz Wide Range pH Test Kit\u003c\/a\u003e for a liquid cross-check against your probe\u003c\/li\u003e\n\u003cli\u003eBrowse all \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/water-testing\"\u003ewater testing\u003c\/a\u003e and \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/hydros\"\u003eHydros\u003c\/a\u003e gear\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow often should I calibrate my pH probe?\u003c\/strong\u003e\u003cbr\u003eMost hobbyists calibrate every 1 to 2 months, and any time a reading looks off. Probes drift gradually, so a quick recalibration keeps your controller dosing and alarms trustworthy.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need both 7.01 and 10.01?\u003c\/strong\u003e\u003cbr\u003eFor a two-point calibration, yes. The 7.01 sets the baseline and the second buffer sets the slope. Reef and alkaline tanks pair 7.01 with 10.01; acidic or CO2-injected planted tanks may prefer 7.01 with a 4.01 buffer.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy single-use sachets instead of a bottle?\u003c\/strong\u003e\u003cbr\u003eBuffer solution changes value once it is exposed to air. A sealed sachet you open once gives a far more accurate calibration than buffer from a bottle that has been opened repeatedly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill these work with my brand of probe?\u003c\/strong\u003e\u003cbr\u003eYes. pH 7.01 and 10.01 are standard reference values, so they calibrate Hydros, Apex, Milwaukee, and essentially any aquarium or handheld pH meter.\u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"Hydros","offers":[{"title":"7.01 pH","offer_id":48891137065179,"sku":"M10007","price":1.49,"currency_code":"USD","in_stock":true},{"title":"10.01 pH","offer_id":48891137097947,"sku":"M10010","price":1.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/image_12797852-6a7a-47e3-a245-5865cb1616ca.jpg?v=1781879283","url":"https:\/\/squeakysaquatics.com\/products\/milwaukee-ph-calibration-solution-7-01-10-01","provider":"Squeaky's Aquatics","version":"1.0","type":"link"}