{"product_id":"bluelab-ph-pen-accurate-ph-temperature-meter-for-hydroponics","title":"Bluelab pH Pen – Accurate pH \u0026 Temperature Meter for Hydroponics","description":"\u003ch2\u003eStop Guessing. Start Growing with Confidence.\u003c\/h2\u003e\u003cp\u003eYour plants can't tell you when the pH is off — but the Bluelab pH Pen can. Whether you're a home grower or a seasoned hydro enthusiast, getting your pH right is the single most important thing you can do for healthy, high-yielding plants. The Bluelab pH Pen makes it effortless.\u003c\/p\u003e\u003ch2\u003eWhy pH Matters for Your Grow\u003c\/h2\u003e\u003cp\u003eEven with the best nutrients in the world, your plants can't absorb them if the pH is out of range. Too acidic or too alkaline, and your crop suffers — stunted growth, yellowing leaves, and wasted money on nutrients that never reach the roots. The Bluelab pH Pen gives you instant, accurate readings so you can correct your solution before problems start.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecise pH readings\u003c\/strong\u003e in 0.1 increments — catch imbalances before they affect your crop\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in temperature measurement\u003c\/strong\u003e in °C or °F — because temperature affects nutrient uptake too\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble-junction pH probe\u003c\/strong\u003e for reliable, long-lasting accuracy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple 2-point calibration\u003c\/strong\u003e with a 30-day reminder so you're always measuring correctly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBright backlit display\u003c\/strong\u003e — easy to read in any grow room lighting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof and floats\u003c\/strong\u003e — no stress if it slips into your reservoir\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact handheld design\u003c\/strong\u003e — fits in your pocket, goes wherever you grow\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eBuilt in New Zealand. Trusted by Growers Worldwide.\u003c\/h2\u003e\u003cp\u003eBluelab has been the go-to brand for serious growers for decades. The pH Pen is one of their best-selling tools — relied on by hobbyists and commercial operations alike. When you pick up a Bluelab, you're getting a tool that's been refined through real-world growing experience.\u003c\/p\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e1x Bluelab pH Pen\u003c\/li\u003e\n\u003cli\u003e1x pH 7.0 Calibration Solution sachet (18ml)\u003c\/li\u003e\n\u003cli\u003e1x pH 4.0 Calibration Solution sachet (18ml)\u003c\/li\u003e\n\u003cli\u003e1x KCl Storage Solution sachet\u003c\/li\u003e\n\u003cli\u003e1x AAA alkaline battery (installed)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\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 | Accuracy: ±1°C \/ ±2°F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolution Requirement:\u003c\/strong\u003e 0.2 EC and above\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 1x AAA alkaline battery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year limited warranty\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePro Tip: Pair It with the Bluelab Conductivity Pen\u003c\/h2\u003e\u003cp\u003eFor a complete picture of your nutrient solution, pair your pH Pen with the Bluelab Conductivity Pen to also measure EC\/ppm levels. Together, they give you full control over your feed — available at Hydro Grow Sydney.\u003c\/p\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":47925749055702,"sku":null,"price":140.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/6097\/9158\/files\/bluelab-ph-pen-dark-slate-tropical.webp?v=1776495396","url":"https:\/\/growersdepot.com.au\/products\/bluelab-ph-pen-accurate-ph-temperature-meter-for-hydroponics","provider":"Growers Depot","version":"1.0","type":"link"}