{"product_id":"hanna-hr-nitrate-reagent","title":"Hanna HR Nitrate reagent","description":"\u003cp\u003eHI-782-25 High Range Nitrate reagents, 25 tests, for use with the HI-782 HR Nitrate Handheld Colorimeter Checker.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eMeasurement Procedure\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePress the ON\/OFF button to turn the checker on. All segments will be displayed for a few seconds, followed by “Add”, “C.1” with “Press” blinking.\u003c\/li\u003e\n\u003cli\u003eFill the cuvette with 10 mL of unreacted sample and replace the cap. Insert the cuvette into the checker and close the cap.\u003c\/li\u003e\n\u003cli\u003ePress the ON\/OFF button. When the display shows “Add”, “C.2” with “Press” blinking, the checker is zeroed.\u003c\/li\u003e\n\u003cli\u003eRemove the cuvette, unscrew the cap and add the content of one packet of HI-782-0 Marine Nitrate High Range reagent. Replace the cap and shake vigorously for 2 minutes.\u003c\/li\u003e\n\u003cli\u003eInsert the cuvette into the checker and close the cap. Press and hold the ON\/OFF button. The display will show the countdown prior to the measurement. Alternatively, wait 7 minutes and press the button.\u003c\/li\u003e\n\u003cli\u003eWhen the timer ends, the checker will perform the reading. The instrument displays the nitrate concentration in ppm. The checker automatically turns off 10 minutes after readings.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"The Happy Reef","offers":[{"title":"Default Title","offer_id":52478968234320,"sku":"349970J","price":22.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/9552\/0848\/files\/original_a0fea068-0c08-48e4-8b8a-fba3b4935192.png?v=1766346648","url":"https:\/\/www.thehappyreef.com\/products\/hanna-hr-nitrate-reagent","provider":"The Happy Reef","version":"1.0","type":"link"}