{"product_id":"hanna-1500-ppm-tds-calibration-solution-20-ml-sachet","title":"Hanna 1500 ppm TDS Calibration Solution - 20 mL Sachet","description":"\u003cp\u003eTDS and EC meters should be calibrated frequently (every 1-4 weeks, depending on use). Do not reuse calibration solution, as once it has been used, it is no longer sterile and may result in improper readings. Pour a small amount into a shot glass and discard after use or use the sachets.\u003c\/p\u003e\n\u003cp\u003eTDS and EC Calibration Solution is available in a variety of sizes ranging from single-use sachets to quart bottles. All calibration solutions that we offer are made by either Hanna or General Hydroponics.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThe \u003cstrong\u003e1500ppm \u003c\/strong\u003eCalibration Solution will work for the following TDS testers and meters:\u003c\/em\u003e\u003cbr\u003eHanna Gro'Chek Continuous pH\/TDS Monitor (HI981404N)\u003cbr\u003eHanna Gro'Chek Portable pH\/TDS\/EC Meters (HI9813, HI9813-0, HI9813-6)\u003cbr\u003eHanna pH\/EC\/TDS\/Temp Waterproof Tester (HI98129)\u003cbr\u003eHanna Gro'Chek Continuous TDS Monitor with Large Display (HI983301N)\u003cbr\u003eHanna TDS Tester (DiST1 \/ HI98300)\u003cbr\u003eHanna EC\/TDS\/Temp Waterproof Tester (DiST5 \/ HI98311)\u003c\/p\u003e\n\u003cp\u003eThe 1500ppm solution uses the 442 scale \/ 0.70 conversion factor.\u003c\/p\u003e\n\u003cp\u003eSold individually or by the box of 25.\u003c\/p\u003e","brand":"Hanna Instruments, Inc.","offers":[{"title":"Each","offer_id":41930541826133,"sku":"6432","price":1.6,"currency_code":"USD","in_stock":true},{"title":"Box of 25","offer_id":42385984782421,"sku":"6432-BOX25","price":40.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0610\/3426\/6709\/files\/hanna-1500-ppm-tds-calibration-solution-20-ml-sachet-6432-9650077.jpg?v=1767475506","url":"https:\/\/www.bghydro.com\/products\/hanna-1500-ppm-tds-calibration-solution-20-ml-sachet","provider":"BetterGrow Hydro","version":"1.0","type":"link"}