{"product_id":"bluelab-orp-meter","title":"Bluelab ORP Meter","description":"\u003ch2\u003eKnow exactly how clean your water really is\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBluelab ORP Meter\u003c\/strong\u003e measures \u003cstrong\u003eoxidation-reduction potential\u003c\/strong\u003e — the single reading that tells you how much sanitising power is left in your solution. pH and EC tell you what is in the water; \u003cstrong\u003eORP tells you whether it is clean\u003c\/strong\u003e, which is what stands between a healthy root zone and a reservoir quietly turning against you.\u003c\/p\u003e\n\u003cp\u003eIt is a handheld unit with a \u003cstrong\u003ebacklit display\u003c\/strong\u003e, a \u003cstrong\u003e2 metre cable\u003c\/strong\u003e so you can reach into a full reservoir without leaning over it, and a \u003cstrong\u003ereplaceable BNC probe\u003c\/strong\u003e that needs no calibration.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo ORP calibration\u003c\/strong\u003e — take it out and read it\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaceable probe\u003c\/strong\u003e on a standard BNC connection, so the meter outlives the sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlso accepts a Bluelab pH probe\u003c\/strong\u003e, so one meter covers two jobs (pH probe sold separately)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKCl-filled storage cap\u003c\/strong\u003e keeps the probe hydrated between readings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBacklit screen\u003c\/strong\u003e that is readable under HPS, LED or in a dark corner\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto-off\u003c\/strong\u003e to protect the battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow It Solves Grow Problems\u003c\/h3\u003e\n\u003cp\u003eSlime, browning roots and a reservoir that smells wrong all show up \u003cem\u003eafter\u003c\/em\u003e the damage is done. \u003cstrong\u003eA falling ORP reading warns you first\u003c\/strong\u003e, while there is still time to act. If you dose hydrogen peroxide, chlorine or any oxidiser, ORP is also the only way to know whether you have added enough — or far too much. It matters most in \u003cstrong\u003erecirculating and DWC systems\u003c\/strong\u003e, where one reservoir feeds every plant you own.\u003c\/p\u003e\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003cp\u003eFit the probe to the BNC connector and switch the meter on. \u003cstrong\u003eRinse the probe in clean water\u003c\/strong\u003e, place it in the solution, and wait for the reading to settle. \u003cstrong\u003eTake readings at the same point in the cycle each time\u003c\/strong\u003e — ORP moves with temperature and dosing, so the trend tells you more than any single number. Return the probe to its KCl cap after every use; \u003cstrong\u003ea probe left to dry out is a probe you will be replacing\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Bluelab","offers":[{"title":"Bluelab ORP Meter","offer_id":53522456576266,"sku":"TLS-BLUE-006-01","price":188.45,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/METORP_1.png?v=1786896855","url":"https:\/\/hydrocropshop.co.uk\/products\/bluelab-orp-meter","provider":"Hydro Crop Shop","version":"1.0","type":"link"}