{"product_id":"hm-digital-ph-p4-ph-4-buffer-solution-20-pack","title":"HM Digital PH-P4 pH 4.0 Buffer Solution - 20-Pack (20ml each)","description":"\u003ch2\u003eHM Digital PH-P4 pH 4.0 Buffer Solution - 20-Pack\u003c\/h2\u003e\u003cp\u003eEnsure accurate pH measurements with the \u003cstrong\u003eHM Digital PH-P4 pH 4.0 Buffer Solution 20-Pack\u003c\/strong\u003e. This bulk pack of acidic calibration standards is essential for labs, commercial operations, and frequent users who need reliable pH meter calibration at the acidic endpoint.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e20-Pack Value:\u003c\/strong\u003e Twenty 20ml packets for multiple calibrations and long-term use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH 4.0 Acidic Standard:\u003c\/strong\u003e Precise acidic point calibration for accurate pH measurements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFresh Every Time:\u003c\/strong\u003e Individual packets ensure fresh solution for each calibration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Works with HM Digital pH meters and other brands\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLab-Grade Quality:\u003c\/strong\u003e Professionally formulated for reliable, consistent calibration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCost-Effective:\u003c\/strong\u003e Bulk packaging provides better value for frequent users\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eIdeal for high-volume pH testing in:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCommercial hydroponics operations\u003c\/li\u003e\n\u003cli\u003eAquaculture facilities and fish farms\u003c\/li\u003e\n\u003cli\u003eWater treatment plants\u003c\/li\u003e\n\u003cli\u003eFood \u0026amp; beverage production facilities\u003c\/li\u003e\n\u003cli\u003eLaboratory testing environments\u003c\/li\u003e\n\u003cli\u003ePool and spa service companies\u003c\/li\u003e\n\u003cli\u003e\n\u003c\/li\u003e\n\u003cli\u003eAgricultural testing operations\u003c\/li\u003e\n\u003cli\u003eQuality control departments\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy pH 4.0 Calibration Matters\u003c\/h3\u003e\u003cp\u003epH 4.0 represents the acidic endpoint commonly used in two-point calibration. Calibrating your pH meter at both pH 4.0 and pH 7.0 (or pH 10.0) ensures accuracy across the full measurement range. This is especially important for applications testing acidic solutions or requiring precision in the lower pH range.\u003c\/p\u003e\u003ch3\u003eTwo-Point Calibration\u003c\/h3\u003e\u003cp\u003eFor optimal accuracy, use pH 4.0 buffer with pH 7.0 buffer for standard two-point calibration. For even greater precision across the full pH range, perform three-point calibration using pH 4.0, pH 7.0, and pH 10.0 buffers.\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cp\u003e20 individual packets × 20ml pH 4.0 buffer solution = 400ml total\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompatible with HM Digital PH-200, PH-80, COM-300, and other pH meters requiring pH 4.0 calibration.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Get Ultimate Now LLC","offers":[{"title":"Default Title","offer_id":32366625325143,"sku":"5006A","price":56.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/PH4.020pack.png?v=1601669766","url":"https:\/\/getultimatenow.com\/products\/hm-digital-ph-p4-ph-4-buffer-solution-20-pack","provider":"Get Ultimate Now ","version":"1.0","type":"link"}