{"product_id":"co2gro-c2-ext-co2-controller-external-sensor","title":"CO2Gro C2 EXT CO2 Controller","description":"\u003ch1\u003eCO2GRO C2 EXT CO2 Controller with External Sensor Probe\u003c\/h1\u003e\n\u003cp\u003eTake full control of your grow room environment with the \u003cstrong\u003eCO2GRO C2 EXT CO2 Controller\u003c\/strong\u003e, available at \u003cstrong\u003eHolland Horticulture\u003c\/strong\u003e. Designed for precise CO2 monitoring and dosing, this advanced controller allows growers to accurately regulate CO2 levels and optimise plant growth through every stage of development.\u003c\/p\u003e\n\u003ch2\u003eAccurate CO2 Monitoring with External Probe\u003c\/h2\u003e\n\u003cp\u003eThe C2 EXT features an external CO2 sensing probe that measures carbon dioxide levels directly within your grow space, while keeping the main controller unit safely positioned outside. This ensures accurate readings in enclosed environments without exposing the controller to heat or humidity.\u003c\/p\u003e\n\u003ch2\u003ePrecision CO2 Control \u0026amp; Dosing\u003c\/h2\u003e\n\u003cp\u003eFine-tune your CO2 levels with ease using this intuitive controller. Designed to increase or decrease CO2 output as needed, it allows you to maintain optimal concentrations between \u003cstrong\u003e1,000–1,200ppm\u003c\/strong\u003e for maximum photosynthetic efficiency and plant performance.\u003c\/p\u003e\n\u003ch2\u003eAdvanced NDIR Sensor Technology\u003c\/h2\u003e\n\u003cp\u003eEquipped with a dual-channel \u003cstrong\u003eNDIR CO2 sensor\u003c\/strong\u003e, the C2 EXT delivers highly accurate and reliable CO2 readings. This ensures consistent monitoring and precise environmental control, helping growers avoid fluctuations that can impact plant growth.\u003c\/p\u003e\n\u003ch2\u003eUser-Friendly Display \u0026amp; Smart Features\u003c\/h2\u003e\n\u003cp\u003eAn easy-to-read backlit LCD screen provides clear visibility of CO2 levels and system settings. Additional features such as day and night detection and built-in timelapse charting allow you to track historical CO2 concentrations and optimise your grow strategy over time.\u003c\/p\u003e\n\u003ch2\u003eSimple Setup \u0026amp; Complete Kit\u003c\/h2\u003e\n\u003cp\u003eThe CO2GRO C2 EXT is ready to use straight out of the box with no assembly required. Each unit includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eC2 EXT Controller Unit\u003c\/li\u003e\n\u003cli\u003eExternal CO2 Sensor Probe\u003c\/li\u003e\n\u003cli\u003eVelcro Mounting Strip\u003c\/li\u003e\n\u003cli\u003eScrews for installation\u003c\/li\u003e\n\u003cli\u003eUser Manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eThe Science of CO2 Enrichment\u003c\/h2\u003e\n\u003cp\u003eCarbon dioxide is essential for photosynthesis, enabling plants to convert light into energy. By increasing CO2 levels above ambient conditions (~400ppm), growers can accelerate plant growth, improve nutrient uptake, and increase overall yield.\u003c\/p\u003e\n\u003cp\u003eMaintaining CO2 levels between \u003cstrong\u003e1,000–1,200ppm\u003c\/strong\u003e in indoor environments helps maximise photosynthesis, resulting in faster growth cycles and improved crop quality.\u003c\/p\u003e\n\u003ch2\u003eKey Benefits of CO2 Control\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBoosts photosynthesis for faster plant growth\u003c\/li\u003e\n\u003cli\u003eIncreases yields and overall crop output\u003c\/li\u003e\n\u003cli\u003eEnhances plant quality and density\u003c\/li\u003e\n\u003cli\u003eImproves environmental consistency\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eOptimising Your Grow Room with CO2\u003c\/h2\u003e\n\u003cp\u003eFor best results, use CO2 enrichment during the light cycle and maintain proper airflow to evenly distribute CO2 throughout your grow space. Pairing this controller with a \u003ca href=\"https:\/\/hydroponics.co.uk\/products\/co2gro-12l-diy-co2-generator-system-solenoid\" title=\"CO2 Gro 12L DIY CO2 Generation System with Solenoid\"\u003eCO2 generator or tank system \u003c\/a\u003eallows full automation and precise environmental control.\u003c\/p\u003e\n\u003cp\u003eGrow room temperatures should be maintained between \u003cstrong\u003e28–32°C\u003c\/strong\u003e when supplementing CO2, especially under LED lighting, to ensure optimal plant metabolism and performance.\u003c\/p\u003e\n\u003ch2\u003eBuy CO2GRO CO2 Controllers at Holland Horticulture\u003c\/h2\u003e\n\u003cp\u003eUpgrade your grow room with the \u003cstrong\u003eCO2GRO C2 EXT CO2 Controller\u003c\/strong\u003e and achieve precise CO2 management for stronger, faster-growing plants and higher yields.\u003c\/p\u003e","brand":"Co2GRO","offers":[{"title":"Default Title","offer_id":57845796897155,"sku":null,"price":216.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/1926\/6409\/files\/co2gro-c2-ext-co2-controller.webp?v=1776763399","url":"https:\/\/hydroponics.co.uk\/products\/co2gro-c2-ext-co2-controller-external-sensor","provider":"Holland Horticulture","version":"1.0","type":"link"}