{"product_id":"bluelab-ph-controller","title":"Bluelab pH Controller – Automatic Dosing for Reservoirs","description":"\u003ch2\u003eHands-free pH control that dials in and holds your target automatically\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eBluelab pH Controller\u003c\/strong\u003e monitors reservoir pH around the clock and doses \u003cstrong\u003epH up or down\u003c\/strong\u003e the moment it drifts, holding your set point to within \u003cstrong\u003e0.05 pH\u003c\/strong\u003e without you having to check and correct it by hand. A built-in peristaltic pump delivers the stock solution, a dosing lockout stops the unit overcorrecting, and flashing high\/low alarms flag a reservoir that has moved outside your target band.\u003c\/p\u003e\u003ch3\u003eKey Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous automatic dosing\u003c\/strong\u003e keeps pH within 0.05 of your target without manual adjustment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDosing lockout\u003c\/strong\u003e prevents overdosing, with configurable on-time and off-time between doses\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlashing high\/low alarms\u003c\/strong\u003e alert you the moment pH moves out of range\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto-resume dosing\u003c\/strong\u003e after a power loss, so control is not lost overnight\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaceable double-junction pH probe and separate temperature probe\u003c\/strong\u003e with automatic temperature compensation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for reservoirs up to 760 litres\u003c\/strong\u003e, wall-mounted with an international power supply\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow to Use\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount\u003c\/strong\u003e the controller on a wall within 2m of the reservoir and within 1.5m of a mains outlet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect\u003c\/strong\u003e the pH and temperature probes, then set up the inlet and outlet dosing tubes into your pH stock solution and the reservoir.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibrate\u003c\/strong\u003e the probe in fresh pH 7.0 solution, then pH 4.0 or 10.0 depending on your working range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet your target pH\u003c\/strong\u003e, dosing direction and on\/off times, then switch to control mode and let the unit take over.\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\u003eControl range:\u003c\/strong\u003e 0.1-13.9 pH, resolution 0.1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDose rate:\u003c\/strong\u003e 10ml per minute\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReservoir capacity:\u003c\/strong\u003e up to 760 litres\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 20 x 11 x 21cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 100-240VAC, 50\/60Hz, 0.4A output\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating environment:\u003c\/strong\u003e 0-50C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e pH probe, temperature probe, peristaltic pump, 4m dosing tubing, mounting fasteners, calibration solution sachets\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLanguages:\u003c\/strong\u003e English, Deutsch, Español, Français, Nederlands\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":53798203687178,"sku":"NUT-BLUE-004-01","price":594.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/bluelab-ph-controller-1.jpg?v=1790163811","url":"https:\/\/hydrocropshop.co.uk\/products\/bluelab-ph-controller","provider":"Hydro Crop Shop","version":"1.0","type":"link"}