{"product_id":"hanna-groline-nutrient-dosing-system-hi981413","title":"Hanna GroLine Nutrient Dosing System (HI981413)","description":"\u003cp\u003eAutomated nutrient control for hydroponic and fertigation systems. The GroLine HI981413 is a wall-mounted controller with a built-in peristaltic dosing pump: it reads EC\/TDS continuously and doses nutrient automatically to hold your set point, keeping feed strength steady between reservoir checks.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eController with HI30033 EC\/TDS\/temperature probe (PVDF body, 1\/2\" NPT thread, Quick Connect DIN)\u003c\/li\u003e\n\u003cli\u003eEC 0.00-10.00 mS\/cm, 0.01 resolution, +\/-2% F.S. accuracy; TDS 0-9900 ppm with selectable conversion factor (0.45-0.99)\u003c\/li\u003e\n\u003cli\u003eOn\/Off or Proportional dosing control - set point 0.10-10.00 mS\/cm (EC or TDS units)\u003c\/li\u003e\n\u003cli\u003ePeristaltic pump doses 0.5-3.5 L\/h; brushless stepper motor, self-priming; manual prime control\u003c\/li\u003e\n\u003cli\u003eHigh\/low and tank-level alarms, overtime overdose protection, color-coded LCD (green = normal, red = alarm)\u003c\/li\u003e\n\u003cli\u003eIP65 wall-mount casing, alarm relay output, input for a level controller or flow switch\u003c\/li\u003e\n\u003cli\u003eIn the box (base configuration): controller, HI30033 probe, 1413 uS\/cm conductivity calibration solution, power connection cable, instruction manual\u003c\/li\u003e\n\u003cli\u003eIn-Line Mounting Kit adds: injector, pipe saddles, aspiration filter, valves, 5 m aspiration and dispensing tubing. Panel-Mounted Flow Cell adds: flow cell on mounting panel, injector, saddles, filter, valves, 5 m aspiration and 15 m dispensing tubing\u003c\/li\u003e\n\u003cli\u003ePairs with the Hanna GroLine pH Dosing System (HI981412) for full pH + nutrient automation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Hanna Instruments items may add 1-2 extra business days of processing time before shipping.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Controller + Probe","offer_id":54518125953307,"sku":"HI981413-00","price":459.99,"currency_code":"USD","in_stock":true},{"title":"In-Line Mounting Kit","offer_id":54518125986075,"sku":"HI981413-10","price":609.99,"currency_code":"USD","in_stock":true},{"title":"Panel-Mounted Flow Cell","offer_id":54518126018843,"sku":"HI981413-20","price":839.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0708\/6768\/1563\/files\/hi981413-main.jpg?v=1793832390","url":"https:\/\/ghhydro.com\/products\/hanna-groline-nutrient-dosing-system-hi981413","provider":"Green Harvest Hydroponics","version":"1.0","type":"link"}