{"product_id":"hanna-groline-ph-7-01-calibration-buffer-1-gallon","title":"Hanna GroLine pH 7.01 Calibration Buffer — 1 Gallon","description":"\u003cp\u003eThe workhorse size for rooms that calibrate daily. pH 7.01 is the neutral calibration point every pH meter starts from — this 1-gallon jug of GroLine buffer keeps the calibration station stocked at the lowest cost per calibration.\u003c\/p\u003e\n\u003cp\u003eHanna calibration buffers are prepared to precise formulas and standardized against NIST-traceable reference standards, so your meter reads true every time you calibrate. Each container is airtight with a tamper-proof seal, and the lot number and expiration date are printed on the label. Unopened, Hanna buffers carry a 5-year shelf life.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":54278764495131,"sku":"HI7007-1G","price":84.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0708\/6768\/1563\/files\/groline_ph_7.01_calibration_buffer_2c_gallon_281_29.jpg?v=1792259008","url":"https:\/\/ghhydro.com\/products\/hanna-groline-ph-7-01-calibration-buffer-1-gallon","provider":"Green Harvest Hydroponics","version":"1.0","type":"link"}