{"product_id":"bluelab-onepen-ph-ec-temp-meter","title":"Bluelab One Pen – pH, EC \u0026 Temperature Meter with Bluetooth Edenic App","description":"\u003cp\u003e\u003cstrong\u003eBluelab OnePen™ – Precision pH, EC \u0026amp; Temperature Meter with Bluetooth Connectivity\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe brand-new \u003cstrong\u003eBluelab OnePen\u003c\/strong\u003e combines \u003cstrong\u003epH, EC\/PPM, and temperature monitoring\u003c\/strong\u003e in one waterproof handheld meter. Engineered for hydroponics, coco, and soil growers, it connects seamlessly to the \u003ca href=\"https:\/\/support.bluelab.com\/getting-started-edenic\"\u003eEdenic App\u003c\/a\u003e via Bluetooth for instant data capture, analysis, and sharing.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose Bluelab OnePen?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-in-1 hydroponic meter:\u003c\/strong\u003e pH, EC, and temperature readings in one compact tool.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccurate and reliable:\u003c\/strong\u003e Double-junction pH probe and titanium EC electrodes with precision down to two decimals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable build:\u003c\/strong\u003e IP68 waterproof and dustproof for tough grow room environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart connectivity:\u003c\/strong\u003e Sync with the Edenic App for remote data logging and easy record-keeping.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaceable probe:\u003c\/strong\u003e Extend the lifespan with simple, cost-effective maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBluetooth-enabled with one-click data transfer to the Edenic app.\u003c\/li\u003e\n\u003cli\u003eHigh-contrast backlit display for clear readings in any lighting.\u003c\/li\u003e\n\u003cli\u003eBuilt-in health indicator to ensure sensor accuracy and longevity.\u003c\/li\u003e\n\u003cli\u003eErgonomic design for comfortable daily use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to Use the Bluelab OnePen\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eCalibrate with included \u003cem\u003eBluelab solution sachets\u003c\/em\u003e (pH 4, pH 7, KCl storage) before first use.\u003c\/li\u003e\n\u003cli\u003eSubmerge the probe in your nutrient solution or media runoff.\u003c\/li\u003e\n\u003cli\u003eRead pH, EC, and temperature instantly on the screen — or sync via Bluetooth to the \u003ca href=\"https:\/\/support.bluelab.com\/getting-started-edenic\"\u003eEdenic App\u003c\/a\u003e for automatic logging.\u003c\/li\u003e\n\u003cli\u003eRinse probe after each use with distilled water and store in KCl solution.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eMeasurement Range\u003c\/h2\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%;\" cellspacing=\"0\" cellpadding=\"6\" border=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.0 – 14.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.0 – 10.0 mS\/cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCF\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 – 100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 – 5000 ppm (500 scale) \/ 0 – 7000 ppm (700 scale)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 – 50 °C \/ 32 – 122 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhat’s in the Box?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 × Bluelab OnePen™ with replaceable pH, EC \u0026amp; temperature probe\u003c\/li\u003e\n\u003cli\u003e3 × 18 ml Bluelab Solution Sachets (pH 7.0, pH 4.0, and KCl storage solution)\u003c\/li\u003e\n\u003cli\u003e1 × Bluelab Sensor Cleaning Brush\u003c\/li\u003e\n\u003cli\u003e2 × AAA Batteries\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWarranty\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e2-Year limited warranty on the Bluelab OnePen™\u003c\/li\u003e\n\u003cli\u003e6-Month warranty on the replaceable probe\u003c\/li\u003e\n\u003cli\u003eFull details: \u003ca href=\"https:\/\/bluelab.com\/product-warranty\"\u003eBluelab Warranty Information\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHot Topic FAQs\u003c\/h2\u003e\n\u003ch3\u003eDo I need calibration solutions?\u003c\/h3\u003e\n\u003cp\u003eYes. Regular calibration with *Bluelab pH 4 \u0026amp; pH 7 solutions* keeps readings accurate. Sachets are included to get you started.\u003c\/p\u003e\n\u003ch3\u003eCan I use the OnePen in coco and soil?\u003c\/h3\u003e\n\u003cp\u003eAbsolutely. Measure nutrient runoff to monitor pH, EC, and temperature for consistent growing conditions.\u003c\/p\u003e\n\u003ch3\u003eIs the Bluelab OnePen waterproof?\u003c\/h3\u003e\n\u003cp\u003eYes — it’s rated IP68, meaning it can withstand water immersion and high-humidity environments.\u003c\/p\u003e\n\u003ch2\u003eRecommended Pairings\u003c\/h2\u003e\n\u003cp\u003ePair with *Bluelab Calibration Solutions*, *Nutrient Management Tools*, and *Hydroponic Additives* for complete accuracy in your grow.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThe \u003cstrong\u003eBluelab OnePen™\u003c\/strong\u003e is the ultimate all-in-one solution for growers who want accurate pH, EC, and temperature readings with the convenience of Bluetooth logging. Simple, smart, and built to last.\u003c\/em\u003e\u003c\/p\u003e","brand":"BLUELAB","offers":[{"title":"Default Title","offer_id":45481364750551,"sku":"10516","price":192.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/9092\/7032\/files\/bluelab-nutrient-mangement-bluelab-one-pen-ph-ec-temperature-meter-with-bluetooth-edenic-app-1254950242.png?v=1787233574","url":"https:\/\/www.thehydrobros.com\/de\/products\/bluelab-onepen-ph-ec-temp-meter","provider":"The Hydro Bros","version":"1.0","type":"link"}