{"product_id":"hm-digital-replacement-probe-com-300","title":"HM Digital Replacement Probe COM-300","description":"\u003cp\u003eThe HM Digital SP-C3 is the replacement sensor for the COM-300 meter. It measures pH, conductivity (EC), TDS and temperature, with stainless steel EC pins and a glass pH sensor with reference tube in an ABS body. A cap with a sponge is included to hold storage solution.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003epH, EC, TDS, temp\u003c\/strong\u003e – one probe.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlass pH sensor\u003c\/strong\u003e – with reference tube.\u003c\/li\u003e\n\u003cli\u003eStainless steel pins\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage cap\u003c\/strong\u003e – with sponge.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eKeep the sponge in the cap moist with storage solution between uses.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHM Digital\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSP-C3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFits\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCOM-300\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeasures\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003epH, EC, TDS, temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBody\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncluded\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStorage cap with sponge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich meter does it fit?\u003c\/strong\u003e\u003cbr\u003eThe HM Digital COM-300.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does it measure?\u003c\/strong\u003e\u003cbr\u003epH, EC, TDS and temperature.\u003c\/p\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":46403760292074,"sku":"HM-SP-C3","price":53.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2561\/3802\/files\/image_1920_c95334e7-2a8f-46ab-9789-7b9acdc0455c.jpg?v=1792766943","url":"https:\/\/groindoor.com\/products\/hm-digital-replacement-probe-com-300","provider":"Gro Indoor","version":"1.0","type":"link"}