{"product_id":"fritz-35ppt-salinity-calibration-fluid-2oz-59ml","title":"Fritz 35ppt Salinity Calibration Fluid 1.25oz (37ml)","description":"\u003cdiv data-content-type=\"html\" data-appearance=\"default\" data-element=\"main\"\u003e\n\u003cp\u003ePre-measured refractometer calibration solution takes the guesswork out of properly calibrating your instrument - with no need for expensive or unreliable measuring equipment. A refractometer accurately measuring salinity is essential to the saltwater hobbyist for success. Maintain its accuracy by recalibrating regularly.\u003c\/p\u003e\n\u003cp class=\"uk-heading-body tm-product-accordion-heading\"\u003e\u003cstrong\u003eDirections \u0026amp; Dosage\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"tm-product-accordion-content\"\u003e\n\u003cp\u003e​Shake bottle well before application. Ensure the refractometer prism surface is clean, wipe with distilled or RO water if necessary and dry with a cloth. \u003cstrong\u003eAdd 2 - 3 drops of solution to the prism surface and cover.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAdjust calibration mechanism to read to one of the following specifications:\u003c\/p\u003e\n\u003cp\u003e35 ppt\u003cbr\u003e1.0264 Specific Gravity\u003cbr\u003e1.3394 Refractive Index\u003cbr\u003e53 mS\/cm at 25 deg C\u003c\/p\u003e\n\u003cp\u003eClean and dry prism surface after use. Check instrument calibration regularly, once per month is recommended. Do not add test fluid back to container. Tightly replace lid to prevent evaporation. Note: If using and ATC Refractometer, allow 45 seconds before reading.\u003c\/p\u003e\n\u003cp\u003eIngredients: Sodium chloride, RODI water\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Fritz","offers":[{"title":"Default Title","offer_id":57054965268811,"sku":"780596","price":7.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1033\/7065\/4027\/files\/fritz_35ppt_calibration_fluid_1.jpg?v=1776427609","url":"https:\/\/krakencorals.co.uk\/products\/fritz-35ppt-salinity-calibration-fluid-2oz-59ml","provider":"Kraken Corals","version":"1.0","type":"link"}