{"product_id":"g-a-s-day-night-dehumidifier-controller","title":"G.A.S. Day \u0026 Night Dehumidifier Controller for Tents","description":"\u003ch2\u003eTwo Dials, Two Targets, No More Lights-Off RH Spikes\u003c\/h2\u003e\u003cp\u003eA dedicated humidity controller for growers running an existing dehumidifier that has no useful humidistat of its own. Built by G.A.S., it uses \u003cstrong\u003etwo dials\u003c\/strong\u003e, the left for your \u003cstrong\u003edaytime humidity target\u003c\/strong\u003e and the right for \u003cstrong\u003enight time\u003c\/strong\u003e, and switches the dehumidifier on and off to hold whichever setting applies. A \u003cstrong\u003egreen LED\u003c\/strong\u003e lights while the dehumidifier is running, so you can see at a glance that it is working. Note that this is the \u003cstrong\u003edehumidify version\u003c\/strong\u003e and can only remove moisture; a humidify version is made separately.\u003c\/p\u003e\u003ch3\u003eKey Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeparate day and night set points\u003c\/strong\u003e, so lights-off gets its own tighter target\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-dial operation\u003c\/strong\u003e, no menus, no programming and nothing to relearn\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorks with your existing dehumidifier\u003c\/strong\u003e rather than replacing it\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic switching\u003c\/strong\u003e holds the target instead of you checking a hygrometer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGreen LED indication\u003c\/strong\u003e confirms when the dehumidifier is called on\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor fault warning\u003c\/strong\u003e via a rapid flashing LED, with replacement sensors available\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHumidity Climbing the Moment the Lights Go Out\u003c\/h3\u003e\u003cp\u003eRoom humidity behaves differently either side of lights-off. Air cools, holds less moisture and RH climbs, and that is when botrytis takes hold in dense tops and buds finish airy. Two independent targets keep transpiration and nutrient uptake moving in the day, then clamp moisture down overnight when the risk is highest.\u003c\/p\u003e\u003ch3\u003eHow to Use\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect\u003c\/strong\u003e your existing dehumidifier to the controller's switched outlet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition the sensor\u003c\/strong\u003e at canopy height, away from the dehumidifier outlet and direct light\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeft dial:\u003c\/strong\u003e set your desired daytime humidity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRight dial:\u003c\/strong\u003e set your desired night time humidity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck the green LED\u003c\/strong\u003e, which lights whenever the dehumidifier is switched on\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapid flashing LED\u003c\/strong\u003e indicates a sensor problem, so fit a replacement sensor\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 G.A.S.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Day and night dehumidifier controller\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl:\u003c\/strong\u003e Two dials, daytime (left) and night time (right)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Switches a connected dehumidifier on and off to hold target RH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndication:\u003c\/strong\u003e Green LED on when dehumidifier is running\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFault indication:\u003c\/strong\u003e Rapid flashing green LED signals a sensor problem\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor:\u003c\/strong\u003e Remote sensor, replacements available\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNote:\u003c\/strong\u003e Dehumidify only, a separate humidify version is available\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"G.A.S.","offers":[{"title":"Default Title","offer_id":53445766414602,"sku":null,"price":99.45,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/500025-Dehumidifier.jpg?v=1785293082","url":"https:\/\/hydrocropshop.co.uk\/products\/g-a-s-day-night-dehumidifier-controller","provider":"Hydro Crop Shop","version":"1.0","type":"link"}