{"product_id":"brightwell-refractometer-calibration-standard-60ml","title":"Refractometer Calibration Standard - 60 ml","description":"\u003cp\u003eBrightwell Aquatics Refractometer Calibration Standard 60 mL\u003c\/p\u003e\n\u003cp\u003eBrightwell Aquatics Refractometer Calibration Standard provides an accurate 35 ppt reference for calibrating seawater refractometers and checking compatible salinity-measuring equipment. The solution corresponds to a specific gravity of 1.0264 and refractive index of 1.3394.\u003c\/p\u003e\n\u003cp\u003eRoutine calibration helps prevent incorrect aquarium salinity adjustments caused by an inaccurate refractometer. This is especially important when preparing saltwater, performing water changes, acclimating marine livestock, or maintaining the stable salinity required by fish, corals, and other reef invertebrates.\u003c\/p\u003e\n\u003cp\u003eUsing the solution is straightforward: clean and completely dry the refractometer prism, apply several drops, wait 45 seconds, and adjust the instrument to 35 ppt according to its manufacturer’s instructions.\u003c\/p\u003e\n\u003cp\u003ePRODUCT AT A GLANCE\u003c\/p\u003e\n\u003cp\u003eProduct Type: Refractometer Calibration Solution\u003cbr\u003eBrand: Brightwell Aquatics\u003cbr\u003eSize: 60 mL\u003cbr\u003eReference Salinity: 35 ppt\u003cbr\u003eReference Specific Gravity: 1.0264\u003cbr\u003eReference Refractive Index: 1.3394\u003cbr\u003eReference Temperature: 25°C (77°F)\u003cbr\u003ePrimary Use: Seawater Refractometer Calibration\u003c\/p\u003e\n\u003cp\u003eKeep this calibration standard available with your aquarium testing supplies to verify refractometer accuracy before making important salinity corrections.\u003c\/p\u003e","brand":"Island Reef Aquatics","offers":[{"title":"Default Title","offer_id":50513546772674,"sku":null,"price":6.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0771\/3354\/5666\/files\/Brightwell_Aquatics_Refractometer_Calibration_Standard_60_mL_bottle.png?v=1790208973","url":"https:\/\/islandreefaquatics.com\/products\/brightwell-refractometer-calibration-standard-60ml","provider":"Island Reef Aquatics","version":"1.0","type":"link"}