{"product_id":"hanna-groline-5000-µs-cm-conductivity-standard-230-ml","title":"Hanna GroLine 5000 µS\/cm Conductivity Standard — 230 mL","description":"\u003cp\u003eThe 5000 µS\/cm (5.00 mS\/cm) conductivity standard calibrates EC\/TDS meters at the high end of the nutrient range — and it's the EC value GroLine Quick Cal mode works with. 230 mL bottle, supplied with a certificate.\u003c\/p\u003e\n\u003cp\u003eHanna conductivity standards are prepared to precise formulas and standardized against NIST-traceable references; lot number and expiration date are printed on the label.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":54278749847835,"sku":"HI7039M","price":26.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0708\/6768\/1563\/files\/hi7039m_1c39391c-9a22-420b-8830-e7f3643bd27b.jpg?v=1792257310","url":"https:\/\/ghhydro.com\/products\/hanna-groline-5000-%c2%b5s-cm-conductivity-standard-230-ml","provider":"Green Harvest Hydroponics","version":"1.0","type":"link"}