{"product_id":"fernox-refractometer","title":"Fernox Refractometer","description":"\u003cp\u003eThis is an optical instrument that allows you to check the level of antifreeze and hence corrosion inhibitor in the central heating system. A level below 25% by volume spells trouble with potential frost damage and\/or corrosion leading to noisy boiler operation and rusty radiators.\u003c\/p\u003e","brand":"MIRX","offers":[{"title":"Default Title","offer_id":56946852102530,"sku":"PPCRHA200ATC","price":132.59,"currency_code":"GBP","in_stock":false}],"url":"https:\/\/www.campinghq.co.uk\/products\/fernox-refractometer","provider":"Camping HQ UK","version":"1.0","type":"link"}