{"product_id":"hanna-quick-calibration-solution-230-ml","title":"Hanna Quick Calibration Solution — 230 mL","description":"\u003cp\u003eQuick Cal is Hanna's one-solution calibration for GroLine testers: a single standard with a pH value of 6.86 that also calibrates conductivity to 5,000 µS\/cm, so a pH\/EC meter calibrates both parameters in one dip. 230 mL bottle of GroLine Quick Calibration Solution (HI5036-023).\u003c\/p\u003e\n\u003cp\u003eFor GroLine meters with Quick Cal mode. Bottled solution should be replaced within about six months of opening.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":54278744146203,"sku":"HI5036-023","price":21.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0708\/6768\/1563\/files\/quickcal230_d39c41cf-179b-41f3-b5c8-d30c0efe4867.jpg?v=1792257260","url":"https:\/\/ghhydro.com\/products\/hanna-quick-calibration-solution-230-ml","provider":"Green Harvest Hydroponics","version":"1.0","type":"link"}