{"product_id":"boyu-nutrient-heater","title":"BOYU 100W Nutrient Heater – Hydroponic Water Heater","description":"\u003ch2\u003eKeep Reservoir Temperature Steady Through the Cold Months\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eBOYU 100W Nutrient Heater\u003c\/strong\u003e (model \u003cstrong\u003eHT-8100\u003c\/strong\u003e) is a \u003cstrong\u003efully submersible, thermostatically controlled\u003c\/strong\u003e glass heater for warming nutrient solution in hydroponic reservoirs and small tanks. Set the dial and it cycles itself on and off to hold the temperature, so an unheated space overnight does not chill the root zone. It comes on a \u003cstrong\u003e1m cable\u003c\/strong\u003e and is a compact, low-cost way to take the chill off a small DWC tote or propagation reservoir.\u003c\/p\u003e\u003ch3\u003eKey Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in thermostat\u003c\/strong\u003e - set once and it holds your target temperature automatically\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully submersible\u003c\/strong\u003e - sits in the solution for even, direct heating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100W output\u003c\/strong\u003e - right for smaller reservoirs and tanks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClear glass body\u003c\/strong\u003e with a visible temperature scale on the adjuster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow running cost\u003c\/strong\u003e - it only draws power while it is heating\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCold Nutrient Solution Slowing Everything Down?\u003c\/h3\u003e\u003cp\u003eWhen reservoir temperature drops too far, root activity slows, nutrient uptake becomes sluggish and plants sit still even under good lighting. Big overnight swings are just as unhelpful. A thermostatic heater holds the solution in a steady range, so the root zone keeps working through cold nights and winter grows.\u003c\/p\u003e\u003ch3\u003eHow to Use\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubmerge\u003c\/strong\u003e the heater in the reservoir before plugging in, keeping it clear of pots, roots and the tank floor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet\u003c\/strong\u003e the thermostat to your target - most growers aim for around \u003cstrong\u003e18-22°C\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize it\u003c\/strong\u003e - a common rule is roughly 1W per litre; use a larger heater for big tanks or cold rooms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnplug\u003c\/strong\u003e and let it cool for a few minutes before lifting it out of the water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck\u003c\/strong\u003e the temperature with a separate thermometer after the first day\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cdiv class=\"hcs-specs\"\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e BOYU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e HT-8100\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 100W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply:\u003c\/strong\u003e 220-240V, 50Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable:\u003c\/strong\u003e 1m\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl:\u003c\/strong\u003e adjustable built-in thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fully submersible glass heater\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"BOYU","offers":[{"title":"100W (HT-8100)","offer_id":53803794956554,"sku":"ENV-BOYU-001-01","price":12.45,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/boyu-nutrient-heater-100w-ht-8100-1.jpg?v=1790229374","url":"https:\/\/hydrocropshop.co.uk\/products\/boyu-nutrient-heater","provider":"Hydro Crop Shop","version":"1.0","type":"link"}