{"product_id":"bluelab-ph-pen-waterproof-handheld-ph-temperature-meter-double-junction","title":"Bluelab pH Pen – Waterproof Handheld pH \u0026 Temperature Meter | Double-Junction Probe | Made in NZ","description":"\u003ch2\u003eBluelab pH Pen – Waterproof Handheld pH \u0026amp; Temperature Meter\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThe go-to pH pen for growers worldwide.\u003c\/strong\u003e The \u003cstrong\u003eBluelab pH Pen\u003c\/strong\u003e (SKU: PENPH) is a compact, hardy, and easy-to-use handheld meter that delivers accurate \u003cstrong\u003epH and temperature readings\u003c\/strong\u003e in any nutrient solution. With a \u003cstrong\u003edouble-junction pH probe\u003c\/strong\u003e, \u003cstrong\u003e0.1 pH resolution\u003c\/strong\u003e, simple 2-point calibration, and a fully \u003cstrong\u003ewaterproof design that floats\u003c\/strong\u003e — it’s the essential measurement tool for every growing setup, from home hydroponics to commercial greenhouse operations.\u003c\/p\u003e\n\u003cp\u003eBuilt in New Zealand. Trusted by growers worldwide. One of Bluelab’s top-selling instruments for good reason.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble-Junction pH Probe\u003c\/strong\u003e — superior contamination resistance for accurate, stable pH readings in nutrient-rich solutions; longer probe life than single-junction designs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.1 pH Resolution\u003c\/strong\u003e — precise readings for confident nutrient management and crop health decisions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-Point pH Calibration with 30-Day Reminder\u003c\/strong\u003e — simple calibration keeps readings accurate; built-in reminder ensures you never miss a calibration cycle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimultaneous pH \u0026amp; Temperature\u003c\/strong\u003e — reads both parameters at once on a bright backlit display\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature in °C or °F\u003c\/strong\u003e — switch between Celsius and Fahrenheit to suit your region\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof \u0026amp; Floats\u003c\/strong\u003e — fully waterproof construction that floats in solution; safe for daily use in reservoirs, runoff trays, and water sources\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Handheld Design\u003c\/strong\u003e — ergonomic, pocket-sized form factor for convenient use anywhere in the grow room or field\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in New Zealand\u003c\/strong\u003e — decades of Bluelab precision instrument manufacturing behind every pH Pen\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy pH \u0026amp; Temperature Matter\u003c\/h2\u003e\n\u003cp\u003ePlants can only access nutrients when the nutrient solution is within the correct pH range. If your solution becomes too acidic or too alkaline, plants can’t absorb the nutrients they need to grow. Temperature is equally critical — a solution that’s too hot or too cold directly affects growth rate and plant structure. The Bluelab pH Pen gives you both measurements simultaneously so you can keep your grow in the optimal range, every time.\u003c\/p\u003e\n\n\u003ch2\u003eIdeal For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHydroponics \u0026amp; indoor growing nutrient management\u003c\/li\u003e\n\u003cli\u003eAquaponics \u0026amp; aquaculture water quality monitoring\u003c\/li\u003e\n\u003cli\u003eGreenhouse \u0026amp; commercial growing operations\u003c\/li\u003e\n\u003cli\u003eCannabis cultivation \u0026amp; precision pH control\u003c\/li\u003e\n\u003cli\u003eCoco coir, NFT, DWC \u0026amp; recirculating systems\u003c\/li\u003e\n\u003cli\u003eRunoff \u0026amp; water source pH testing\u003c\/li\u003e\n\u003cli\u003eHome growers \u0026amp; professional cultivators alike\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e PENPH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH Resolution:\u003c\/strong\u003e 0.1 pH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibration:\u003c\/strong\u003e 2-point pH calibration with 30-day reminder\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe:\u003c\/strong\u003e Double-junction pH probe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e °C or °F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHousing:\u003c\/strong\u003e Waterproof, floats in solution\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e Backlit LCD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e New Zealand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 12 oz\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003ePro tip: Pair the Bluelab pH Pen with the \u003cstrong\u003eBluelab Conductivity Pen\u003c\/strong\u003e for a complete nutrient solution measurement system — covering both pH and EC\/PPM in one workflow. Add Bluelab pH 4.0 and 7.0 calibration solution sachets and KCl storage solution for a full maintenance kit.\u003c\/em\u003e\u003c\/p\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":42641767039063,"sku":"PENPH","price":104.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/PENPH.webp?v=1774356866","url":"https:\/\/getultimatenow.com\/products\/bluelab-ph-pen-waterproof-handheld-ph-temperature-meter-double-junction","provider":"Get Ultimate Now ","version":"1.0","type":"link"}