{"product_id":"ph-test-kit-ghe-misuratore-del-ph-dellacqua-di-irrigazione","title":"GHE pH Test Kit Irrigation Water pH Meter","description":"\u003ch2\u003eGHE pH TEST KIT - The right pH saves your plants!\u003c\/h2\u003e\nThe \u003cstrong\u003eGHE (General Hydroponics Europe) liquid pH test kit\u003c\/strong\u003e allows for \u003cstrong\u003epH measurement\u003c\/strong\u003e over a very wide range of pH values between 4.0 and 8.5.\n\nThe method used is colorimetric, and comparing the color obtained from the chemical reaction is simple thanks to the included color scale, which shows the corresponding concentration values.\nThe pH value provides a measure of the acidity\/alkalinity of an aqueous solution and is proportional to the concentration of hydrogen ions.\n\nAt neutral pH (= 7), water consists of equal parts OH- and H+ ions.\n\nAdding an acid or a base to a neutral solution causes an increase in the concentration of H+ or OH- ions, respectively.\n\nStrong acids will have pH values between 1 and 3, weak acids between 4 and 6 pH, while weak bases range from 8 to 10 pH, and finally strong bases from 11 to 13 pH.\n\nBelow a pH value of 7, the solution is considered acidic, while above it, it is considered alkaline (or basic).\n\u003ch3\u003epH Test Kit Contents\u003c\/h3\u003e\n\u003cul\u003e\n\n \t\u003cli\u003eLiquid test;\u003c\/li\u003e\n\n \t\u003cli\u003e15ml test tube (up to 200 measurements);\u003c\/li\u003e\n\n \t\u003cli\u003eInstructions for use.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"professional-growing","offers":[{"title":"Default Title","offer_id":55174722421078,"sku":"WC-5797","price":6.5,"currency_code":"EUR","in_stock":true}],"url":"https:\/\/professionalgrowing.com\/en\/products\/ph-test-kit-ghe-misuratore-del-ph-dellacqua-di-irrigazione","provider":"professional-growing","version":"1.0","type":"link"}