{"product_id":"spider-farmer-grow-tent-heater","title":"Spider Farmer Grow Tent Heater – With Digital Thermostat","description":"\u003ch2\u003eSteady, Thermostat-Controlled Warmth for Grow Tents Through Cold Nights\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eSpider Farmer Grow Tent Heater\u003c\/strong\u003e is a compact \u003cstrong\u003e540W PTC ceramic heater\u003c\/strong\u003e with a built-in \u003cstrong\u003edigital thermostat\u003c\/strong\u003e, ten heat levels and separate \u003cstrong\u003eday and night temperatures\u003c\/strong\u003e. Its temperature and light sensor reads the tent and knows when the lights go off, and the \u003cstrong\u003e50-160 cm vent hose\u003c\/strong\u003e lets the heater sit outside the tent. It is rated for tents up to \u003cstrong\u003e150 x 150 cm (5 x 5 ft)\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eKey Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccurate temperature hold\u003c\/strong\u003e - PTC heating plates with PWM control across \u003cstrong\u003e10 heat levels\u003c\/strong\u003e, and a thermostat you can set from \u003cstrong\u003e0 to 60°C\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic day and night settings\u003c\/strong\u003e - the light sensor switches between your daytime and lights-off temperatures without a separate controller\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarm air where you want it\u003c\/strong\u003e - the hose stretches from \u003cstrong\u003e50 to 160 cm\u003c\/strong\u003e to direct heat into the tent while keeping hot air off the plants\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLayered safety\u003c\/strong\u003e - an NTC physical overheat cut-out, internal and ambient overheat protection, and a \u003cstrong\u003e5VA flame-retardant\u003c\/strong\u003e housing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuiet running\u003c\/strong\u003e - about \u003cstrong\u003e45 dB\u003c\/strong\u003e on the lowest settings, rising to about \u003cstrong\u003e55 dB\u003c\/strong\u003e on full power\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart control if you want it\u003c\/strong\u003e - plugs into a Spider Farmer GGS controller or GGS power strip by RJ12 cable for app scheduling and monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCold Nights and Temperature Swings in the Grow Tent\u003c\/h3\u003e\u003cp\u003eIn a cold loft, garage or outbuilding, tent temperature can fall fast once the lights go off. The drop slows \u003cstrong\u003eroot development\u003c\/strong\u003e and \u003cstrong\u003enutrient uptake\u003c\/strong\u003e, holds back \u003cstrong\u003evegetative growth\u003c\/strong\u003e and lets \u003cstrong\u003ehumidity\u003c\/strong\u003e climb into condensation and mould. Rather than running flat out and overshooting, this heater adjusts its output to hold your set point and can switch to a lower night target automatically.\u003c\/p\u003e\u003ch3\u003eHow to Use\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition it\u003c\/strong\u003e outside the tent and feed the vent hose through a duct port, or stand it inside the tent in very cold conditions. Never point the hose straight at plants.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect the sensor\u003c\/strong\u003e with the RJ12 cable and hang it at canopy height, where you want the temperature measured.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet day and night targets\u003c\/strong\u003e on the control panel; the heater starts at level 3 and a day and night setting of 26°C until you change them.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChoose a heat level to suit the space\u003c\/strong\u003e - Spider Farmer suggests levels 2-3 for a 60 x 60 cm tent in mild weather, rising to levels 9-10 for a 120-150 cm tent below freezing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean the intake filter\u003c\/strong\u003e - unscrew the cap underneath, rinse the sponge in warm water and let it dry before refitting.\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\u003eModel:\u003c\/strong\u003e Spider Farmer SF-Heater (UK\/EU version)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated power:\u003c\/strong\u003e 540W ±5%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply:\u003c\/strong\u003e 220-240V AC, 50Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeating:\u003c\/strong\u003e PTC ceramic plates with PWM control, 10 heat levels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermostat range:\u003c\/strong\u003e 0-60°C, separate day and night settings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTimer:\u003c\/strong\u003e up to 24 hours\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrow space:\u003c\/strong\u003e tents up to 150 x 150cm (5 x 5ft)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVent hose:\u003c\/strong\u003e extendable 50-160cm, approx. 5.7cm diameter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e approx. 30cm tall, 14.5cm deep\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoise:\u003c\/strong\u003e approx. 45dB (levels 1-3), 50dB (levels 4-6), 55dB (levels 7-10)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection:\u003c\/strong\u003e NTC physical overheat cut-out, internal and ambient overheat protection, 5VA flame-retardant housing, power-off memory\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIn the box:\u003c\/strong\u003e heater with power cord and RJ12 port, vent hose, RJ12 cable, temperature and light sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart control:\u003c\/strong\u003e with a Spider Farmer GGS controller or GGS AC5\/AC10 power strip kit (sold separately)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 2 years (manufacturer)\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;\"\u003eCan I control the heater from my phone?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eOnly through Spider Farmer's GGS system. Plug the heater into a GGS controller or a GGS AC5 or AC10 power strip with the RJ12 cable and it appears in the Spider Farmer app; on its own it runs from its own control panel and sensor.\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;\"\u003eWhat size grow tent will it heat?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eSpider Farmer rates it for grow spaces up to 150 x 150 cm (5 x 5 ft). In a 120 or 150 cm tent below freezing, the maker advises putting the heater inside the tent or using two units.\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;\"\u003eShould the heater go inside or outside the tent?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eEither. Outside, the 50-160 cm hose carries warm air in through a duct port and the heater takes up no growing space; inside the tent gives the most heat in very cold conditions. Keep the hose from blowing directly onto plants.\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 loud is it?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eAbout 45 dB on heat levels 1-3, 50 dB on levels 4-6 and 55 dB on levels 7-10, according to Spider Farmer.\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\/spider-farmer-ggs-ac5-power-strip-kit\" 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\/spider-farmer-ggs-ac5-power-strip-kit-1.jpg?v=1790169883\u0026amp;width=160\" alt=\"Spider Farmer GGS AC5 Power Strip Kit\" 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;\"\u003eSpider Farmer GGS AC5 Power Strip Kit\u003c\/strong\u003e\u003cspan style=\"color:#008d37;\"\u003eAdds app control and scheduling via RJ12\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/products\/essentials-min-max-thermo-hygrometer\" 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\/essentials-min-max-thermo-hygrometer-default-title-1.jpg?v=1790229477\u0026amp;width=160\" alt=\"Essentials Min-Max Thermo Hygrometer\" 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;\"\u003eEssentials Min-Max Thermo Hygrometer\u003c\/strong\u003e\u003cspan style=\"color:#008d37;\"\u003eChecks the overnight low in the tent\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e","brand":"Spider Farmer","offers":[{"title":"Default Title","offer_id":53930943283466,"sku":"ENV-SPID-002-01","price":89.9,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/spider-farmer-grow-tent-heater-default-title-1.jpg?v=1792288540","url":"https:\/\/hydrocropshop.co.uk\/products\/spider-farmer-grow-tent-heater","provider":"Hydro Crop Shop","version":"1.0","type":"link"}