{"product_id":"bluelab-ph-penplus","title":"Bluelab pH PenPlus – pH Meter with Replaceable Probe","description":"\u003ch2\u003eA Bluelab pH pen you repair rather than replace\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBluelab pH PenPlus\u003c\/strong\u003e is a handheld \u003cstrong\u003epH and temperature\u003c\/strong\u003e pen for checking nutrient solutions, reservoirs and runoff. Its big difference from the standard pH Pen is a \u003cstrong\u003ereplaceable pH\/temperature probe\u003c\/strong\u003e: when the glass wears out with age, you unscrew it and fit a \u003cstrong\u003eBluelab pH ProbePlus\u003c\/strong\u003e instead of buying a whole new meter. A \u003cstrong\u003edouble-junction probe\u003c\/strong\u003e, a bright backlit display and an \u003cstrong\u003eIP68\u003c\/strong\u003e dustproof, waterproof body make it a tool for daily use around tanks and trays.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaceable probe\u003c\/strong\u003e - screw-cap design, so worn probes are swapped in minutes and the pen stays in service\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble-junction pH probe\u003c\/strong\u003e for steadier, more reliable readings in nutrient solution\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH and temperature together\u003c\/strong\u003e, with temperature shown in °C or °F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple two-point calibration\u003c\/strong\u003e at pH 7.0 and 4.0, with a 30-day reminder so accuracy does not drift unnoticed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP68 waterproof\u003c\/strong\u003e - it survives a drop in the reservoir\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNutrient lockout from pH you cannot see\u003c\/h3\u003e\n\u003cp\u003ePlants only take up nutrients properly while the root zone sits in the right pH window. Let a reservoir or runoff drift too acidic or too alkaline and you get \u003cstrong\u003epoor nutrient uptake\u003c\/strong\u003e, pale new growth and deficiency symptoms even though the feed is correct. A quick dip before every feed catches that drift early, and a probe you can replace means one worn sensor no longer puts your meter in the bin.\u003c\/p\u003e\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBefore first use:\u003c\/strong\u003e soak the probe in the KCl storage solution supplied, then calibrate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibrate\u003c\/strong\u003e with pH 7.0 then pH 4.0 solution; the pen reminds you every 30 days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasure:\u003c\/strong\u003e rinse the probe, dip it into the solution or runoff, stir gently and read once the value settles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStore\u003c\/strong\u003e with a little KCl solution in the silicone cap so the probe never dries out.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhen readings slow or will not calibrate\u003c\/strong\u003e, fit a Bluelab pH ProbePlus replacement probe.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"hcs-specs\"\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasures:\u003c\/strong\u003e pH and temperature\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH range:\u003c\/strong\u003e 0.0-14.0, resolution 0.1, accuracy ±0.1 at 25°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature range:\u003c\/strong\u003e 0-50°C (32-122°F), resolution 1, accuracy ±1°C \/ ±2°F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe:\u003c\/strong\u003e replaceable double-junction pH\/temperature probe (Bluelab pH ProbePlus)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibration:\u003c\/strong\u003e two-point, pH 7.0 and 4.0, 30-day reminder\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating environment:\u003c\/strong\u003e solutions of 0.2 EC and above, 0-50°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRating:\u003c\/strong\u003e IP68 dustproof and waterproof\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 1x AAA alkaline battery, auto-off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIn the box:\u003c\/strong\u003e pH PenPlus with probe, pH 7.0 and pH 4.0 calibration sachets, KCl storage solution sachet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 2 years (6 months on the probe)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":53803794465034,"sku":"TLS-BLUE-015-01","price":127.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/bluelab-ph-penplus-1.jpg?v=1790229364","url":"https:\/\/hydrocropshop.co.uk\/products\/bluelab-ph-penplus","provider":"Hydro Crop Shop","version":"1.0","type":"link"}