{"product_id":"aqua-master-p110-pro2-combo-pen-ph-ec-temperature-meter","title":"Aqua Master P110 Pro2 Combo Pen - pH, EC \u0026 Temperature Meter","description":"\u003ch2\u003eOne Dip, Three Readings with the Aqua Master P110 Pro2 Combo Pen\u003c\/h2\u003e\n\u003cp\u003eWhy carry two pens when one does the lot? The \u003cstrong\u003eAqua Master P110 Pro2\u003c\/strong\u003e is a waterproof combo pen that reads \u003cstrong\u003epH, EC and temperature\u003c\/strong\u003e from a single electrode, accurate to ±0.1 pH. It floats, runs on two AAA batteries and uses a \u003cstrong\u003edry-storage electrode\u003c\/strong\u003e, so there's no storage liquid to forget about.\u003c\/p\u003e\n\u003ch3\u003eWhy You Need It\u003c\/h3\u003e\n\u003cp\u003eEC tells you how strong your feed is. pH tells you whether the roots can actually take it up. Get one right and the other wrong and you're still feeding blind, which is why you need both readings every time you mix.\u003c\/p\u003e\n\u003cp\u003eMost pH electrodes need keeping wet in storage solution, and that's where most of them die. The P110 Pro2's electrode is stored dry, so the biggest cause of a dead pen simply doesn't apply.\u003c\/p\u003e\n\u003ch3\u003eIs the P110 Pro2 Right for Your Setup?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHand watering or hydro:\u003c\/strong\u003e one pen for every mix, from watering can to reservoir.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForgetful with maintenance?\u003c\/strong\u003e Dry storage means you rinse it, cap it and walk away.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOnly need pH?\u003c\/strong\u003e The \u003ca href=\"https:\/\/www.onestopgrowshop.co.uk\/products\/aqua-master-p50-ph-temperature-meter\"\u003eP50 Pro2 pH Meter\u003c\/a\u003e does that job for less.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWant to replace pH and EC sensors separately?\u003c\/strong\u003e The \u003ca href=\"https:\/\/www.onestopgrowshop.co.uk\/products\/aqua-master-h600-pro-handheld-meter\"\u003eH600 Pro Handheld Meter\u003c\/a\u003e uses individual plug-in probes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow the P110 Pro2 Works\u003c\/h3\u003e\n\u003cp\u003eOne combined electrode carries a pH sensor, an EC sensor and a temperature sensor. ATC (automatic temperature compensation) corrects both readings from 0 to 50°C, so cold and warm tanks read true. pH calibrates itself at two points, and EC calibrates manually with any EC solution.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree readings in one:\u003c\/strong\u003e pH, EC and temperature from a single dip.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDry-storage electrode:\u003c\/strong\u003e no storage solution needed between uses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelf-calibrating pH:\u003c\/strong\u003e recognises pH 7.00 and 4.01 buffer and sets itself.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP67 waterproof:\u003c\/strong\u003e it floats, so it won't sulk at the bottom of the tank.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e30-day reminder:\u003c\/strong\u003e the CAL tick disappears when it's due.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAAA batteries:\u003c\/strong\u003e two standard AAAs, included, with a low battery warning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaceable electrode:\u003c\/strong\u003e one combined electrode swaps out when it wears.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eContains\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x P110 Pro2 combo pen with protective cap and cap cord\u003c\/li\u003e\n\u003cli\u003e2 x 1.5V AAA batteries and user manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNot included: \u003ca href=\"https:\/\/www.onestopgrowshop.co.uk\/products\/aqua-master-calibration-solutions-100ml\"\u003epH 4, pH 7 and EC 1.413 calibration solutions\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eP110 Pro2 Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003epH range\u003c\/th\u003e\n\u003ctd\u003e0.1 to 14.0 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003epH accuracy\u003c\/th\u003e\n\u003ctd\u003e±0.1 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eEC range\u003c\/th\u003e\n\u003ctd\u003e0.0 to 19.99 mS\/cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eEC accuracy\u003c\/th\u003e\n\u003ctd\u003e±2% of full scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eResolution\u003c\/th\u003e\n\u003ctd\u003e0.1 or 0.01 (pH and EC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTemperature\u003c\/th\u003e\n\u003ctd\u003e0 to 50°C, ±0.5°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCalibration\u003c\/th\u003e\n\u003ctd\u003epH automatic 2-point (7.00 and 4.01), EC manual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWaterproof rating\u003c\/th\u003e\n\u003ctd\u003eIP67, floats\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePower\u003c\/th\u003e\n\u003ctd\u003e2 x 1.5V AAA, included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e132g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003e1 year meter, 6 months electrode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eHow To Use the P110 Pro2\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoak it:\u003c\/strong\u003e before first use, stand the electrode in tap water for at least 12 hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibrate pH:\u003c\/strong\u003e dip in pH 7.00 buffer, wait for a steady reading and hold CAL. Rinse and repeat with pH 4.01.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibrate EC:\u003c\/strong\u003e dip in EC calibration solution and set the display to match, following the manual.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMix:\u003c\/strong\u003e set your EC first, then adjust pH, because nutrients move pH.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStore dry:\u003c\/strong\u003e rinse the electrode and refit the cap. No liquid needed.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eTop tip:\u003c\/strong\u003e Pour calibration solution into a clean cup and calibrate from that, never straight in the bottle. One dirty dip and every reading after it is off.\u003c\/p\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the P110 Pro2 need storage solution?\u003c\/strong\u003e\u003cbr\u003eNo. It has a dry-storage electrode, so rinse it, cap it and it's ready for next time.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThere's white crust on the electrode. Is it faulty?\u003c\/strong\u003e\u003cbr\u003eNo. Dried salts on a new pH electrode are normal, and the 12-hour soak dissolves them.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's the difference between the P110 Pro and P110 Pro2?\u003c\/strong\u003e\u003cbr\u003eThe Pro2 adds AAA batteries, a white-on-black display, selectable 0.01 resolution and the 30-day reminder.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNeed help choosing?\u003c\/strong\u003e Call our growing experts on 01782 749955 or visit One Stop Grow Shop Stoke at Fenton Trade Park.\u003c\/p\u003e\n\u003cp\u003eTwo readings, one pen, no storage faff. \u003ca href=\"https:\/\/www.onestopgrowshop.co.uk\/collections\/grow-tools-slash-accessories-meters\"\u003eBrowse our full range of pH and EC meters\u003c\/a\u003e.\u003c\/p\u003e","brand":"AQUA MASTER","offers":[{"title":"Default Title","offer_id":57511629750650,"sku":null,"price":69.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0762\/6368\/6447\/files\/aqua-master-tools-p110-pro2-combo-pen-ph-ec-temperature.jpg?v=1793876901","url":"https:\/\/www.onestopgrowshop.co.uk\/products\/aqua-master-p110-pro2-combo-pen-ph-ec-temperature-meter","provider":"One Stop Grow Shop","version":"1.0","type":"link"}