{"product_id":"ph-pen-calibration-fluid","title":"pH Pen Calibration Fluid","description":"\u003cp\u003eFor use in \u003cstrong\u003ecalibrating all pH pens\u003c\/strong\u003e, pH Buffer 4 and pH Buffer 7 available in 300ml and 1l bottles.\u003c\/p\u003e\u003cp\u003eCalibration of all measuring equipment should be \u003cstrong\u003eperformed weekly to ensure accuracy\u003c\/strong\u003e with critical nutrient solution measurements.\u003c\/p\u003e","brand":"Growth Technology","offers":[{"title":"300ml \/ 4","offer_id":47704784044370,"sku":"2670","price":2.95,"currency_code":"GBP","in_stock":true},{"title":"300ml \/ 7","offer_id":47704784077138,"sku":"2672","price":2.95,"currency_code":"GBP","in_stock":true},{"title":"1l \/ 4","offer_id":47704784109906,"sku":"2671","price":9.95,"currency_code":"GBP","in_stock":true},{"title":"1l \/ 7","offer_id":47704784142674,"sku":"2673","price":9.95,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/5807\/8034\/products\/1636391132-42782700.jpg?v=1708128194","url":"https:\/\/0cf200.myshopify.com\/products\/ph-pen-calibration-fluid","provider":"Greens Horticulture","version":"1.0","type":"link"}