{"title":"Meters \u0026 Testers","description":"","products":[{"product_id":"bluelab-carry-case","title":"Bluelab Carry Case","description":"\u003cp\u003e\u003cstrong\u003eProtect your Bluelab meter and enjoy hands-free readings and storage \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFeatures:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFirm outer casing for impact resistance\u003c\/li\u003e\n\u003cli\u003eTwo custom pockets for holding Bluelab probes\u003c\/li\u003e\n\u003cli\u003eInternal strap to tuck probe cables away tidily\u003c\/li\u003e\n\u003cli\u003eNetted pocket for meter and strap to hold in place\u003c\/li\u003e\n\u003cli\u003eStrong nylon strap with adjustable length\u003c\/li\u003e\n\u003cli\u003e'D' hook at top of outer case for hanging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan class=\"ui-provider a b c d e f g h i j k l m n o p q r s t u v w x y z ab ac ae af ag ah ai aj ak\" dir=\"ltr\"\u003eAvailable in the USA only.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"ui-provider a b c d e f g h i j k l m n o p q r s t u v w x y z ab ac ae af ag ah ai aj ak\" dir=\"ltr\"\u003eFits Bluelab Meters, Bluelab pH Pens and Bluelab Conductivity Pens\u003c\/span\u003e\u003c\/p\u003e","brand":"BLUELAB","offers":[{"title":"Default","offer_id":47777810907188,"sku":"883492","price":19.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/0059\/9860\/files\/Bluelab-Meter-Carry-Case_METCARRYCASE_1_1.webp?v=1791475344"},{"product_id":"hanna-1500ppm-tds-calibration-solution-20ml","title":"Hanna 1500 mg\/L (ppm) TDS Calibration Solution (20ml Sachet)","description":"\u003cp\u003eTDS and EC meters should be calibrated frequently (every 1-4 weeks, depending on use). Do not reuse calibration solution, as once it has been used, it is no longer sterile and may result in improper readings. Pour a small amount into a shot glass and discard after use or use the sachets.\u003c\/p\u003e\n\u003cp\u003eTDS and EC Calibration Solution is available in a variety of sizes ranging from single-use sachets to quart bottles. All calibration solutions that we offer are made by either Hanna or General Hydroponics.\u003c\/p\u003e\n\u003cp\u003eThe 1500ppm solution uses the 442 scale \/ 0.70 conversion factor.\u003c\/p\u003e","brand":"HANNA INSTRUMENTS","offers":[{"title":"Default","offer_id":47777824505908,"sku":"763239","price":1.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/0059\/9860\/files\/solution.jpg?v=1778133197"},{"product_id":"general-purpose-cleaning-solution-for-agriculture-20-ml","title":"Hanna General Purpose Cleaning Solution for Agriculture (20 mL Sachet)","description":"\u003cp\u003eThe HI700661P is a highly effective cleaning solution that is specially formulated for pH electrodes used in agricultural applications. Electrodes can become dirty from use and will produce inaccurate results even as they read correctly in a pH buffer.\u003c\/p\u003e\n\u003cp\u003eHanna's cleaning solutions eliminate impurities and residues that are left on electrode surfaces when immersed in samples during measurement and stored incorrectly. Hanna suggests cleaning the bulb and junction of your electrode on a regular basis to ensure that the probe is always clean and prevent any clogging of the junction. General Purpose Cleaning Solution for Agriculture (1 x 20 mL Sachet)\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSpecially formulated cleaning solution to remove agricultural deposits from a pH electrode\u003c\/li\u003e\n\u003cli\u003eConvenient, one-time use sachets ensure freshness of solution\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HANNA INSTRUMENTS","offers":[{"title":"Default","offer_id":47777824538676,"sku":"555246","price":1.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/0059\/9860\/files\/genpurp.jpg?v=1778133198"},{"product_id":"hanna-groline-1413-us-cm-conductivity-standard-20ml","title":"Hanna GroLine 1413 uS\/cm Conductivity Standard (20mL Sachet)","description":"\u003cp\u003e\u003cspan\u003eThe GroLine 1413 µS\/cm Conductivity Standard Sachets offer portable and precise calibration for conductivity measurements. Each sachet contains a single-use, pre-measured solution ideally suited for hydroponics, aquaponics, or greenhouse applications. Accuracy is comparable to NIST standards, ensuring reliable calibration in the field. Packaged in light-blocking foil pouches, the sachets preserve solution integrity and include lot number and expiration dates for full traceability. Compact and lightweight, they fit easily in your pocket or instrument kit—ready to use wherever you go.\u003c\/span\u003e\u003c\/p\u003e","brand":"HANNA INSTRUMENTS","offers":[{"title":"Default","offer_id":47777824571444,"sku":"114378","price":1.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/0059\/9860\/files\/1413hanna.webp?v=1778133199"},{"product_id":"hanna-hi70030c-12880-us-cm-conductivity-standard-20ml","title":"Hanna 12880 µS\/cm Conductivity Standard (20ml Sachet)","description":"\u003cp\u003eHI70030C is a premium quality 12,880 µS\/cm conductivity solution that is NIST traceable and supplied with a Certificate of Analysis. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hanna's line of conductivity solutions have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened sachet. The HI70030C is for 25 sachets containing 20 mL of solution.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSupplied with Certificate of Analysis\u003c\/li\u003e\n\u003cli\u003eTemperature chart of the actual µS\/cm value at various temperatures printed on each sachet\u003c\/li\u003e\n\u003cli\u003eConvenient packaging for one time use\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HANNA INSTRUMENTS","offers":[{"title":"Default","offer_id":47777824604212,"sku":"805816","price":1.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/0059\/9860\/files\/12880.jpg?v=1778133201"},{"product_id":"hanna-calibration-check-solution-hi50021p-hi9813-6","title":"Hanna Calibration Check Solution for HI9813-6 (20mL Sachet)","description":"\u003cp\u003eHI50021P is a premium quality calibration check solution used exclusively for the HI9813-6 portable pH\/EC\/TDS\/Temp. meter. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hanna's line of solutions have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened sachet. The HI50021P is for 25 sachets containing 20 mL of solution that is used to verify the calibration and functionality of the pH electrode. These sachets are for use with the Hanna HI9813-6 GroChek portable pH\/TDS\/EC\/Temp meter, which utilizes the Cal Check Solution to determine whether the probe is in need of cleaning or replacement.\u003c\/p\u003e","brand":"HANNA INSTRUMENTS","offers":[{"title":"Default","offer_id":47777824636980,"sku":"914989","price":1.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/0059\/9860\/files\/50021.webp?v=1778133202"},{"product_id":"gh-reference-solution-1500ppm-8-oz","title":"General Hydroponics Standard Reference Solution 1500 ppm 8 Ounce","description":"\u003cp\u003e\u003cspan\u003eGeneral Hydroponics PPM calibration solution is made with the highest quality electronic meter reference solutions in mind. GH reference solutions can be used with many popular brands of meters using the NaCl scale. General Hydroponics check each batch to ensure that our solutions are exactly calibrated each time they are used. \u003c\/span\u003e\u003c\/p\u003e","brand":"General Hydroponics","offers":[{"title":"Default","offer_id":47777829879860,"sku":"553718","price":3.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/0059\/9860\/files\/reference.jpg?v=1778133388"},{"product_id":"bluelab-probe-care-kit-ph-conductivity","title":"Bluelab Probe Care Kit pH \u0026 Conductivity","description":"\u003cp\u003e\u003cstrong\u003eEverything you need to clean, calibrate and maintain your pH and conductivity probes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-contrast=\"auto\"\u003eYour \u003c\/span\u003e\u003cspan data-contrast=\"auto\"\u003eBluelab\u003c\/span\u003e\u003cspan data-contrast=\"auto\"\u003e Probe Care Kit – pH and Conductivity contains:\u003c\/span\u003e\u003cspan data-ccp-props='{\"201341983\":0,\"335559739\":160,\"335559740\":276}'\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-contrast=\"auto\"\u003eEquipment\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-contrast=\"auto\"\u003e1x Probe care instructions \u003cbr\u003e3x Plastic cups \u003cbr\u003e1x Bluelab pH Probe Cleaner, 30 ml \/ 1 fl.oz\u003cbr\u003eBluelab Conductivity Probe Cleaner, 30 ml \/ 1 fl.oz\u003cbr\u003e1x Toothbrush\u003cbr\u003e1x Chamois\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-contrast=\"auto\"\u003e\u003cspan\u003eSolution\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-contrast=\"auto\"\u003e2x Single-use pH 4.0 Calibration Solution Sachets, 18 ml \/ 0.6 fl.oz\u003cbr\u003e2x Single-use pH 7.0 Single-use Calibration Solution Sachets, 18 ml \/ 0.6 fl.oz\u003cbr\u003e2x Single-use 2.77 EC Conductivity Standard Solution Sachets, 18 ml \/ 0.6 fl.oz\u003cbr\u003e2x KCl Storage Solution, 18 ml \/ 0.6 fl.oz\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-ccp-props='{\"134233279\":true,\"201341983\":0,\"335559739\":160,\"335559740\":259}'\u003eConductivity Probe Cleaner not compatible with Bluelab OnePen (PENONE) or Bluelab OnePen Replacement Probe (PROBONE)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"BLUELAB","offers":[{"title":"Default","offer_id":48070144426036,"sku":"749130","price":34.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/0059\/9860\/files\/Bluelab_CAREKITPHCON.webp?v=1791475041"},{"product_id":"bluelab-2-77ec-conductivity-solution-250ml","title":"Bluelab 2.77EC Conductivity Solution - 250 ml","description":"\u003cp\u003eKeep your conductivity testing routine on track with Bluelab 2.77 EC Conductivity Solution. This 250 ml bottle provides a 2.77 EC reference point for checking the accuracy of EC and PPM meters.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e250 ml bottle\u003c\/li\u003e\n\u003cli\u003e2.77 EC standard for regular accuracy checks\u003c\/li\u003e\n\u003cli\u003eHelps confirm conductivity probe performance after cleaning\u003c\/li\u003e\n\u003cli\u003eReady to use with no mixing required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eStore in a cool place away from direct sunlight and heat. Keep the lid tightly closed.\u003c\/p\u003e","brand":"BLUELAB","offers":[{"title":"Default","offer_id":48070144458804,"sku":"493912","price":13.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/0059\/9860\/files\/Bluelab-2-77-EC-Conductivity-Standard-Solution-250ml_EC277250_1_2.webp?v=1791420350"},{"product_id":"bluelab-2-77ec-conductivity-solution-500ml","title":"Bluelab 2.77EC Conductivity Solution - 500 ml","description":"\u003cp\u003eKeep your conductivity testing routine on track with Bluelab 2.77 EC Conductivity Solution. This 500 ml bottle provides a 2.77 EC reference point for checking the accuracy of EC and PPM meters.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e500 ml bottle\u003c\/li\u003e\n\u003cli\u003e2.77 EC standard for regular accuracy checks\u003c\/li\u003e\n\u003cli\u003eHelps confirm conductivity probe performance after cleaning\u003c\/li\u003e\n\u003cli\u003eReady to use with no mixing required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eStore in a cool place away from direct sunlight and heat. Keep the lid tightly closed.\u003c\/p\u003e","brand":"BLUELAB","offers":[{"title":"Default","offer_id":48070144491572,"sku":"694341","price":24.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/0059\/9860\/files\/bluelab-277-ec-conductivity-solution-914053_1024x_500ml.webp?v=1791419149"},{"product_id":"bluelab-combo-meter-ph-and-ppm","title":"Bluelab Combo Meter","description":"\u003cp\u003e\u003cstrong\u003eMeasure pH, conductivity and temperature on the go.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTrusted by growers for 25 years on over 100,000 products!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBluelab Combo Meter measures conductivity (EC), temperature, and pH with a clear display and easy-to-use buttons. Portable and battery-powered, take reliable readings anywhere to keep your plants flourishing. \u003c\/p\u003e\n\u003cp\u003eFeatures: \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompact handheld design for convenient use\u003c\/li\u003e\n\u003cli\u003eBright, easy-to-read backlit display\u003c\/li\u003e\n\u003cli\u003eReplaceable Bluelab pH Probe (with BNC connection)\u003c\/li\u003e\n\u003cli\u003eSimple 2-point pH calibration with a 30-day reminder\u003c\/li\u003e\n\u003cli\u003eReads temperature in °C or °F\u003c\/li\u003e\n\u003cli\u003eMeasures conductivity in EC, CF, ppm 500 (TDS), or ppm 700\u003c\/li\u003e\n\u003cli\u003eThe conductivity Probe is factory-calibrated and ready to use immediately\u003c\/li\u003e\n\u003cli\u003eKCl-filled pH probe cap to keep the pH probe hydrated\u003c\/li\u003e\n\u003cli\u003e2 metre \/ 6.6ft cables for measuring in hard-to-reach locations\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BLUELAB","offers":[{"title":"Default","offer_id":48071106297908,"sku":"176498","price":339.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/0059\/9860\/files\/Bluelab-combo-meter-METCOM.webp?v=1790986505"},{"product_id":"bluelab-commercial-truncheon-meter-ec-ppm","title":"Bluelab Commercial Truncheon Nutrient Meter","description":"\u003cp\u003e\u003cstrong\u003eAn EC meter built to last a lifetime – now on a bigger scale \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Bluelab Commercial Truncheon \u003c\/span\u003eNutrient Meter is ideal for hydroponic setups that require stronger nutrient solutions during certain growth stages.\u003c\/p\u003e\n\u003cp\u003eFeatures: \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan class=\"ui-provider fz b c d e f g h i j k l m n o p q r s t u v w x y z ab ac ae af ag ah ai aj ak\" dir=\"ltr\"\u003eLarger scale - Measure up to 6.0 EC, 60 CF, 3000 ppm 500 or 4200 ppm 700\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eRobust and reliable construction for long-lasting value\u003c\/li\u003e\n\u003cli\u003eFully waterproof; splash, submerge or sink - we've got you covered\u003c\/li\u003e\n\u003cli\u003eAutomatically detects liquids and bright LEDS indicate measurement for brilliantly simple functionality\u003c\/li\u003e\n\u003cli\u003eLong-format design for mixing and measuring nutrient reservoirs simultaneously\u003c\/li\u003e\n\u003cli\u003eNo calibration required and easy to clean and disinfect\u003c\/li\u003e\n\u003cli\u003eAll conductivity scales included – EC, CF, PPM 500 (TDS), PPM 700\u003c\/li\u003e\n\u003cli\u003eIndustry-leading five-year warranty for peace of mind\u003c\/li\u003e\n\u003cli\u003ePackaging may vary \u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BLUELAB","offers":[{"title":"Default","offer_id":48071106330676,"sku":"734544","price":159.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/0059\/9860\/files\/BL_Image-Product_TRUNCOMV2_V1_HR_RGB.webp?v=1790986094"},{"product_id":"bluelab-onepen","title":"Bluelab OnePen","description":"\u003cp\u003e\u003cstrong\u003eA pH, conductivity and temperature measurement tool for nutrient solutions.\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThis 3-in-1 Pen measures pH, conductivity (EC), and temperature, optimising nutrient uptake. Connect to the \u003ca href=\"https:\/\/edenic.io\/\"\u003eEdenic app\u003c\/a\u003e via Bluetooth for real-time updates and comprehensive data management. \u003c\/p\u003e\n\u003cp\u003eFeatures:\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReplaceable, double-junction pH probe and titanium conductivity (EC) electrodes\u003c\/li\u003e\n\u003cli\u003eCompact, ergonomic design\u003c\/li\u003e\n\u003cli\u003eBright, easy-to-read backlit display with simultaneous pH and conductivity (EC) readings\u003c\/li\u003e\n\u003cli\u003ePrecise readings with 0.01 pH resolution\u003c\/li\u003e\n\u003cli\u003eProbe health indicator\u003c\/li\u003e\n\u003cli\u003eSimple 2-point pH calibration\u003c\/li\u003e\n\u003cli\u003eRead temperature in °C or °F\u003c\/li\u003e\n\u003cli\u003eMeasures conductivity in EC, mS\/cm, CF, ppm 500 (TDS), or ppm 700\u003c\/li\u003e\n\u003cli\u003eIP68 rated (dust and waterproof)\u003c\/li\u003e\n\u003cli\u003eBluelab OnePen Replacement Probe available separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen connected to the Edenic app:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eView measurements remotely through the app or browser\u003c\/li\u003e\n\u003cli\u003eReal-time data and software updates\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BLUELAB","offers":[{"title":"Default","offer_id":48071106363444,"sku":"854216","price":249.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/0059\/9860\/files\/PENONE.webp?v=1790985831"},{"product_id":"bluelab-onepen-replacement-probe","title":"Bluelab OnePen Replacement Probe","description":"\u003cp\u003eA replacement pH, Conductivity (EC), and Temperature Probe for Bluelab OnePen (PENONE)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaximise the life \u0026amp; accuracy of your Bluelab OnePen\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFeatures:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eExtends the life of your Bluelab OnePen, minimising the need for full device replacements\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eQuick and simple to replace, reducing downtime and keeping your OnePen functioning optimally\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBuilt to last with a double-junction pH probe and titanium EC electrodes\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDelivers precise pH, Conductivity (EC), and Temperature readings with easy calibration\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCost-effective, sustainable maintenance\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eIP68-certified waterproof and dustproof\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BLUELAB","offers":[{"title":"Default","offer_id":48071107182644,"sku":"283455","price":90.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/0059\/9860\/files\/OnePen_Replaceable_probe_2.webp?v=1790985624"},{"product_id":"bluelab-ph-4-0-calibration-solution-250ml","title":"Bluelab pH 4.0 Calibration Solution - 250 ml","description":"\u003cp\u003eKeep your pH testing routine on track with Bluelab pH 4.0 Calibration Solution. 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Keep the lid tightly closed.\u003c\/p\u003e","brand":"BLUELAB","offers":[{"title":"Default","offer_id":48071111475252,"sku":"777040","price":13.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/0059\/9860\/files\/Bluelab-pH-4-0-Calibration-Solution-500ml_PH4500_1_2.webp?v=1791418348"},{"product_id":"bluelab-ph-4-0-calibration-solution-500ml","title":"Bluelab pH 4.0 Calibration Solution - 500 ml","description":"\u003cp\u003eKeep your pH testing routine on track with Bluelab pH 4.0 Calibration Solution. This 500 ml bottle provides a pH 4.0 reference point for calibrating pH meters, pens and probes.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e500 ml bottle\u003c\/li\u003e\n\u003cli\u003epH 4.0 buffer for regular calibration\u003c\/li\u003e\n\u003cli\u003eFor use with Bluelab pH meters, pens and probes\u003c\/li\u003e\n\u003cli\u003eUse alongside pH 7.0 solution for two-point calibration, following your meter's instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eStore in a cool place away from direct sunlight and heat. Keep the lid tightly closed.\u003c\/p\u003e","brand":"BLUELAB","offers":[{"title":"Default","offer_id":48071111508020,"sku":"821679","price":22.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/0059\/9860\/files\/Bluelab_pH4_500mL_tallbottle.webp?v=1791415717"},{"product_id":"bluelab-ph-7-0-calibration-solution-250ml","title":"Bluelab pH 7.0 Calibration Solution - 250 ml","description":"\u003cp\u003eKeep your pH testing routine on track with Bluelab pH 7.0 Calibration Solution. 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