{"product_id":"gh-1500-ppm-calibration-solution-8-oz","title":"GH 1500 PPM Calibration Solution 8 oz","description":"General Hydroponics® uses the highest quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics® technicians check each batch to ensure that our solutions are precisely calibrated and yield reliable readings each time they are used.","brand":"General Hydroponics","offers":[{"title":"Default Title","offer_id":48465546117375,"sku":"3571","price":13.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0072\/8324\/5092\/files\/hf_20260721_142317_918cada0-eece-427c-ae0e-8a84a5b7142d.png?v=1784928796","url":"https:\/\/costaricahydroponics.com\/en\/products\/gh-1500-ppm-calibration-solution-8-oz","provider":"Pachamama Indoor Farming Culture","version":"1.0","type":"link"}