{"product_id":"essentials-ph-meter","title":"Essentials pH Meter for Hydroponic Nutrient Solution","description":"\u003ch2\u003eKnow exactly what your roots are drinking\u003c\/h2\u003e\u003cp\u003eThe Essentials pH Meter is a pocket digital tester for checking your nutrient solution before it reaches the roots. It reads \u003cstrong\u003e0.0 to 14.0 pH\u003c\/strong\u003e at \u003cstrong\u003e0.1 pH resolution\u003c\/strong\u003e with \u003cstrong\u003e+\/- 0.2 pH accuracy\u003c\/strong\u003e, calibrates in a few seconds and is known for holding that accuracy over long periods, which is why it has stayed in demand for years. A water-resistant case shields the components from splashes around the reservoir, and the display is easy to read in low light.\u003c\/p\u003e\u003ch3\u003eKey Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximises nutrient availability\u003c\/strong\u003e - holding the tank in range keeps every element soluble and usable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStores 10 readings\u003c\/strong\u003e - compare tank pH between feeds without keeping a notebook.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong battery life\u003c\/strong\u003e - roughly \u003cstrong\u003e150 hours\u003c\/strong\u003e continuous from \u003cstrong\u003e4 x 1.5 V\u003c\/strong\u003e button cells, with auto shut-off after about \u003cstrong\u003e15 minutes\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for grow room conditions\u003c\/strong\u003e - water-resistant housing, a \u003cstrong\u003e0 °C to 50 °C\u003c\/strong\u003e operating range and at least \u003cstrong\u003e365 tests\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuinely pocketable\u003c\/strong\u003e - \u003cstrong\u003e170 x 32 x 15 mm\u003c\/strong\u003e and around \u003cstrong\u003e70 g\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eNutrient Lockout and Poor Uptake\u003c\/h3\u003e\u003cp\u003eDifferent nutrients are absorbed at different rates depending on how acidic or alkaline the solution is. Let the reservoir drift and you get poor nutrient uptake, slow growth and deficiency symptoms that look like a feeding fault but are really a pH fault. Testing before each feed and correcting with pH Up or Down keeps the solution where roots can actually use it.\u003c\/p\u003e\u003ch3\u003eHow to Use\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibrate:\u003c\/strong\u003e use fresh calibration solution before first use and at regular intervals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMix first, test second:\u003c\/strong\u003e stir in all nutrients and additives, then read the finished solution.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjust:\u003c\/strong\u003e correct with pH Up or Down a little at a time, stirring between additions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecheck:\u003c\/strong\u003e retest daily as pH moves while plants feed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStore clean:\u003c\/strong\u003e rinse the probe and let it dry before capping.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv class=\"hcs-specs\"\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRange:\u003c\/strong\u003e 0.0 to 14.0 pH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 0.1 pH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccuracy:\u003c\/strong\u003e +\/- 0.2 pH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery:\u003c\/strong\u003e 4 x 1.5 V button cell\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Life:\u003c\/strong\u003e Approximately 150 hours continuous\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto Shut-off:\u003c\/strong\u003e Approximately 15 minutes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Life:\u003c\/strong\u003e At least 365 tests\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0 °C to 50 °C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMemory:\u003c\/strong\u003e 10 readings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 170 x 32 x 15 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approximately 70 g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Essentials","offers":[{"title":"Default Title","offer_id":53445705695498,"sku":null,"price":44.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/EssentialspHMeter.jpg?v=1785290947","url":"https:\/\/hydrocropshop.co.uk\/products\/essentials-ph-meter","provider":"Hydro Crop Shop","version":"1.0","type":"link"}