{"product_id":"bluelab-ph-7-buffer-neutral-point-calibration","title":"Bluelab pH 7.0 Calibration Solution","description":"\u003ch4\u003e\u003c\/h4\u003e\u003ch2\u003eBluelab pH 7.0 Calibration Solution - pH Meter Calibration Standard\u003c\/h2\u003e\u003cdiv\u003e\n\u003cp\u003eA pH meter that hasn't been calibrated recently can drift silently off target, throwing off nutrient decisions before you notice anything's wrong. Bluelab pH 7.0 Calibration Solution solves this by giving your \u003ca href=\"\/products\/bluelab-ph-pen-compact-ph-temp-reader-floats\"\u003ewaterproof pH pen\u003c\/a\u003e or meter a known neutral reference point to calibrate against, keeping readings accurate and dependable.\u003c\/p\u003e\n\u003cp\u003eRegular cleaning and calibration boost the longevity of your \u003ca href=\"\/products\/bluelab-ph-probe-double-junction-bnc-connector\"\u003epH probes\u003c\/a\u003e, and the pH 7.0 solution is a core part of that routine — a must-have in every grower's maintenance toolbox alongside \u003ca href=\"\/products\/bluelab-ph-40-buffer-low-range-calibration\"\u003epH 4.0 solution\u003c\/a\u003e for standard 2-point calibration.\u003c\/p\u003e\n\u003cp\u003eAvailable in 250ml (8.4fl.oz.) and 500ml single bottles, as well as box-of-6 case packs of each size — choose the option that matches your usage and restocking needs from the size selector.\u003c\/p\u003e\n\u003c\/div\u003e\u003ch4\u003eFeatures\u003c\/h4\u003e\u003cstyle\u003e.features-grid-container{display:flex;flex-wrap:wrap;justify-content:center;gap:1rem;padding:2rem 0;font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;margin:0 auto;max-width:1240px;}.feature-card{background-color:transparent;padding:1.5rem;border-radius:8px;text-align:center;flex:0 1 280px;box-sizing:border-box;}\u003c\/style\u003e\u003cdiv class=\"features-grid-container\"\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003cspan style=\"font-size: 2.5em; line-height: 1; color: #2c5530;\"\u003e🎯\u003c\/span\u003e\u003ch5 style=\"font-size:1.1em;font-weight:bold;color:#333;margin:0.75rem 0 0.5rem 0;\"\u003eAccurate pH Calibration\u003c\/h5\u003e\n\u003cp style=\"font-size:0.95em;line-height:1.6;color:#555;margin:0;\"\u003eA known neutral 7.0 pH reference point keeps your \u003ca href=\"\/products\/bluelab-combo-meter-replaceable-ph-ec-probes-portable\"\u003eportable combo meter\u003c\/a\u003e reading true.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003cspan style=\"font-size: 2.5em; line-height: 1; color: #2c5530;\"\u003e🔧\u003c\/span\u003e\u003ch5 style=\"font-size:1.1em;font-weight:bold;color:#333;margin:0.75rem 0 0.5rem 0;\"\u003eExtends Probe Longevity\u003c\/h5\u003e\n\u003cp style=\"font-size:0.95em;line-height:1.6;color:#555;margin:0;\"\u003eRegular calibration and cleaning keep your pH probe performing longer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003cspan style=\"font-size: 2.5em; line-height: 1; color: #2c5530;\"\u003e📦\u003c\/span\u003e\u003ch5 style=\"font-size:1.1em;font-weight:bold;color:#333;margin:0.75rem 0 0.5rem 0;\"\u003eAvailable in Multiple Sizes\u003c\/h5\u003e\n\u003cp style=\"font-size:0.95em;line-height:1.6;color:#555;margin:0;\"\u003e250ml and 500ml bottles, plus box-of-6 case packs of each.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003ch4 style=\"margin-bottom: 0;\"\u003eSpecifications\u003c\/h4\u003e\u003cstyle\u003e.styled-spec-container{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid #eee;border-radius:8px;margin-bottom:1em;}.styled-spec-table{width:100%;border-collapse:collapse;}.styled-spec-table thead{background-color:#f8f8f8;}.styled-spec-table th,.styled-spec-table td{padding:12px 15px;text-align:left;vertical-align:top;}.styled-spec-table th{font-weight:bold;color:#333;border-bottom:2px solid #ccc;}.styled-spec-table td{border-bottom:1px solid #eee;}.styled-spec-table tbody td:first-child{font-weight:500;color:#444;}.styled-spec-table tbody tr:last-child td{border-bottom:none;}\u003c\/style\u003e\u003cdiv class=\"styled-spec-container\"\u003e\u003ctable class=\"styled-spec-table\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eOption\u003c\/th\u003e\n\u003cth\u003eVolume\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSingle Bottle\u003c\/td\u003e\n\u003ctd\u003e250ml \/ 8.4fl.oz.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSingle Bottle\u003c\/td\u003e\n\u003ctd\u003e500ml\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCase Pack\u003c\/td\u003e\n\u003ctd\u003eBox of 6 — 250ml bottles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCase Pack\u003c\/td\u003e\n\u003ctd\u003eBox of 6 — 500ml bottles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\u003cdiv class=\"faq-container\"\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003e\n\u003cspan\u003eWhat is pH 7.0 Calibration Solution used for?\u003c\/span\u003e\u003cspan class=\"faq-icon\"\u003e+\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-answer\"\u003e\u003cdiv\u003e\u003cp\u003eIt's a known neutral reference solution used to calibrate your \u003ca href=\"\/products\/bluelab-ph-penplus-ph-temp-meter-replaceable-probe\"\u003epH pen or meter\u003c\/a\u003e, ensuring readings stay accurate over time.\u003c\/p\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003e\n\u003cspan\u003eDo I need both pH 7.0 and pH 4.0 solutions?\u003c\/span\u003e\u003cspan class=\"faq-icon\"\u003e+\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-answer\"\u003e\u003cdiv\u003e\u003cp\u003eYes. Standard 2-point calibration uses both pH 7.0 and \u003ca href=\"\/products\/bluelab-ph-40-buffer-low-range-calibration\"\u003epH 4.0 solutions\u003c\/a\u003e together to ensure accuracy across your meter's full range.\u003c\/p\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003e\n\u003cspan\u003eWhat sizes are available?\u003c\/span\u003e\u003cspan class=\"faq-icon\"\u003e+\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-answer\"\u003e\u003cdiv\u003e\u003cp\u003eIt's available in 250ml and 500ml single bottles, as well as box-of-6 case packs of each size.\u003c\/p\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003e\n\u003cspan\u003eHow often should I calibrate my pH meter?\u003c\/span\u003e\u003cspan class=\"faq-icon\"\u003e+\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-answer\"\u003e\u003cdiv\u003e\u003cp\u003eRegular calibration helps extend the life and accuracy of your probe — check your specific meter's manual for a recommended schedule.\u003c\/p\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003e\n\u003cspan\u003eShould I get the case pack instead of a single bottle?\u003c\/span\u003e\u003cspan class=\"faq-icon\"\u003e+\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-answer\"\u003e\u003cdiv\u003e\u003cp\u003eThe box-of-6 case packs are a good fit if you're managing multiple meters or calibrating regularly, while a single bottle suits occasional use.\u003c\/p\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Bluelab","offers":[{"title":"250 ml - Box of 6","offer_id":52495719629016,"sku":"PH7250BL","price":89.0,"currency_code":"USD","in_stock":true},{"title":"500 ml - Box of 6","offer_id":52495719661784,"sku":"PH7500BL","price":145.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1383\/1731\/files\/Bluelab_pH_7_Calibration_Solution_250ml_4adfde22-2254-4582-9f65-99a24601ab3b.webp?v=1789749273","url":"https:\/\/trimleaf.com\/products\/bluelab-ph-7-buffer-neutral-point-calibration","provider":"Trimleaf","version":"1.0","type":"link"}