{"product_id":"bluelab-pro-controller-conductivity-probe","title":"Bluelab Pro Controller Conductivity Probe – Spare EC Probe","description":"\u003ch2\u003eKeep your Pro Controller dosing to the right nutrient strength\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eBluelab Pro Controller Conductivity Probe\u003c\/strong\u003e is Bluelab's genuine replacement \u003cstrong\u003eEC probe\u003c\/strong\u003e for the \u003cstrong\u003eBluelab Pro Controller\u003c\/strong\u003e and \u003cstrong\u003ePro Controller Wi-Fi\u003c\/strong\u003e (models CONTPRO and BCTPRC02). It measures the conductivity of the nutrient solution the controller reads to decide when to dose, so an accurate probe is what keeps an automated reservoir at the strength you set. The probe is \u003cstrong\u003efully submersible\u003c\/strong\u003e, low-maintenance and easy to clean, and comes on a \u003cstrong\u003e2 m cable\u003c\/strong\u003e that plugs straight into the controller. It is not compatible with the Bluelab Guardian Monitor or Combo Meter.\u003c\/p\u003e\u003ch3\u003eKey Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Bluelab part\u003c\/strong\u003e made for the Pro Controller and Pro Controller Wi-Fi (CONTPRO and BCTPRC02)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully submersible\u003c\/strong\u003e – sits in the reservoir full time\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 m standard cable\u003c\/strong\u003e to reach from the controller to the tank\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEasy to clean and low maintenance\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccurate EC\u003c\/strong\u003e means accurate nutrient dosing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhen EC Readings Start to Drift\u003c\/h3\u003e\u003cp\u003eA conductivity probe that lives in nutrient solution slowly picks up a film of salts and organic matter, and a fouled or damaged probe reads the reservoir wrongly. The controller then doses to a false number – adding nutrient to a tank that is already strong enough, or holding back on one that is running weak – and plants show it as tip burn, deficiencies and \u003cstrong\u003epoor nutrient uptake\u003c\/strong\u003e. Cleaning the probe regularly keeps it honest; a probe that still reads out after cleaning, or has a damaged cable, is due to be replaced.\u003c\/p\u003e\u003ch3\u003eHow to Use\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect\u003c\/strong\u003e the probe to the conductivity socket on the Pro Controller\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubmerge\u003c\/strong\u003e the probe tip fully in the reservoir where the solution mixes well\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck readings\u003c\/strong\u003e against Bluelab 2.77 EC standard solution\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean\u003c\/strong\u003e the probe regularly with a Bluelab conductivity probe care kit and rinse it in fresh water\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv class=\"hcs-specs\"\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Bluelab\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart:\u003c\/strong\u003e Pro Controller Conductivity Probe (Bluelab PROBPCEC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasures:\u003c\/strong\u003e conductivity (EC) of the nutrient solution\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible with:\u003c\/strong\u003e Bluelab Pro Controller (CONTPRO) and Pro Controller Wi-Fi (BCTPRC02)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot compatible with:\u003c\/strong\u003e Bluelab Guardian Monitor or Combo Meter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable:\u003c\/strong\u003e 2 m (6.56 ft) standard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubmersible:\u003c\/strong\u003e yes, fully\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cdiv class=\"hcs-faq\"\u003e\n\u003cdetails style=\"border:1px solid #e6e6e6;border-radius:8px;padding:12px 16px;margin:0 0 8px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;\"\u003eWill it fit my Guardian Monitor or Combo Meter?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eNo. Bluelab state this probe is not compatible with the Guardian Monitor or the Combo Meter – it is made for the Pro Controller and Pro Controller Wi-Fi only.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #e6e6e6;border-radius:8px;padding:12px 16px;margin:0 0 8px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;\"\u003eHow do I know if my old probe needs replacing?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eClean it and check it in 2.77 EC standard solution. If a clean probe still reads out of tolerance, or the cable is damaged, replace it.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #e6e6e6;border-radius:8px;padding:12px 16px;margin:0 0 8px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;\"\u003eDoes it come with a cable?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eYes – the probe has a 2 m cable fitted, ready to plug into the controller.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\u003ch3\u003eWorks Well With\u003c\/h3\u003e\u003cdiv class=\"hcs-related\" style=\"display:flex;flex-wrap:wrap;gap:10px;margin:12px 0 0;\"\u003e\n\u003ca href=\"\/products\/bluelab-pro-controller-connect\" style=\"flex:1 1 240px;display:flex;align-items:center;gap:12px;padding:10px 12px;border:1px solid #e6e6e6;border-radius:8px;text-decoration:none;color:inherit;background:#fff;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/Bluelab_Pro-Controller-Connect_1.jpg?v=1785287738\u0026amp;width=160\" alt=\"Bluelab Pro Controller Connect\" width=\"64\" height=\"64\" loading=\"lazy\" style=\"width:64px;height:64px;object-fit:contain;flex:none;\"\u003e\u003cspan style=\"font-size:14px;line-height:1.4;\"\u003e\u003cstrong style=\"display:block;\"\u003eBluelab Pro Controller Connect\u003c\/strong\u003e\u003cspan style=\"color:#008d37;\"\u003eThe controller this probe plugs into\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/products\/bluelab-pro-controller-wi-fi\" style=\"flex:1 1 240px;display:flex;align-items:center;gap:12px;padding:10px 12px;border:1px solid #e6e6e6;border-radius:8px;text-decoration:none;color:inherit;background:#fff;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/nutrient-mangement-bluelab-pro-controller-wi-fi-72585741238645.webp?v=1785290983\u0026amp;width=160\" alt=\"Bluelab Pro Controller Wi-Fi\" width=\"64\" height=\"64\" loading=\"lazy\" style=\"width:64px;height:64px;object-fit:contain;flex:none;\"\u003e\u003cspan style=\"font-size:14px;line-height:1.4;\"\u003e\u003cstrong style=\"display:block;\"\u003eBluelab Pro Controller Wi-Fi\u003c\/strong\u003e\u003cspan style=\"color:#008d37;\"\u003eAlso takes this probe (BCTPRC02)\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/products\/bluelab-ec-277-solution-sachets\" style=\"flex:1 1 240px;display:flex;align-items:center;gap:12px;padding:10px 12px;border:1px solid #e6e6e6;border-radius:8px;text-decoration:none;color:inherit;background:#fff;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/bluelab-ec-277-solution-sachets-1.png?v=1790169268\u0026amp;width=160\" alt=\"Bluelab 2.77 EC Solution Sachets\" width=\"64\" height=\"64\" loading=\"lazy\" style=\"width:64px;height:64px;object-fit:contain;flex:none;\"\u003e\u003cspan style=\"font-size:14px;line-height:1.4;\"\u003e\u003cstrong style=\"display:block;\"\u003eBluelab 2.77 EC Solution Sachets\u003c\/strong\u003e\u003cspan style=\"color:#008d37;\"\u003eCheck the probe's EC readings\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":53931118035210,"sku":"TLS-BLUE-021-01","price":57.7,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/bluelab-pro-controller-conductivity-probe-default-title-1.jpg?v=1792295912","url":"https:\/\/hydrocropshop.co.uk\/products\/bluelab-pro-controller-conductivity-probe","provider":"Hydro Crop Shop","version":"1.0","type":"link"}