{"product_id":"aquatop-analog-glass-heater","title":"Aquatop GH Submersible Glass Aquarium Heater | Adjustable, 50W to 300W","description":"\u003cdiv style=\"font-family:Georgia,serif;color:#1a1a1a;max-width:860px;line-height:1.7;\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eAquatop GH Submersible Glass Heater\u003c\/strong\u003e is a simple, dependable analog heater: set the temperature on the top knob and the indicator light shows when it is heating. The double-insulated glass body is fully submersible and mounts on the glass with the included suction cups. Seven sizes from 50 to 300 watts cover tanks up to 75 gallons, freshwater or saltwater. Shop all our \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/heating-cooling\"\u003eheaters and temperature control\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy to set.\u003c\/strong\u003e Top knob with a printed temperature scale and over-wind protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndicator light.\u003c\/strong\u003e On while heating, off once it reaches your setting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully submersible.\u003c\/strong\u003e Mount it low and at an angle for even heat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFresh or saltwater.\u003c\/strong\u003e Double-insulated, high quality glass.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eChoose Your Wattage\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;max-width:640px;\"\u003e\n\u003ctr style=\"background:#F5F5F5;\"\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e\u003cstrong\u003eTank size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e\u003cstrong\u003eHeater length\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e50W\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003eUp to 13 gal\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e8 to 8.5 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e75W\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003eUp to 20 gal\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e8 to 8.5 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e100W\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003eUp to 25 gal\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e10 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e150W\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003eUp to 40 gal\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e10 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e200W\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003eUp to 50 gal\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e12 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e250W\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003eUp to 65 gal\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e12 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e300W\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003eUp to 75 gal\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e15 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eSetup\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMount the heater with the suction cups where water flows past it, fully under water.\u003c\/li\u003e\n\u003cli\u003eWait 30 minutes after placing it in the tank before plugging it in, so the glass can adjust.\u003c\/li\u003e\n\u003cli\u003eTurn the knob to your target and confirm with a thermometer over the next day.\u003c\/li\u003e\n\u003cli\u003eAlways unplug and let it cool for 30 minutes before taking it out of the water.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cdiv style=\"background:#F5F5F5;border-left:4px solid #666;padding:10px 14px;margin:0 0 14px;font-size:0.95em;\"\u003e\n\u003cstrong\u003eCheck with a thermometer.\u003c\/strong\u003e The dial is a guide (accurate to about 2 degrees F). Never run the heater out of water.\u003c\/div\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;max-width:640px;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003eAquatop\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e\u003cstrong\u003eModels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003eGH-50W to GH-300W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e\u003cstrong\u003eTemperature range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e68 to 93 degrees F (dial)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e\u003cstrong\u003eControl\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003eAnalog dial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e\u003cstrong\u003ePower supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e110 to 120 V \/ 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e\u003cstrong\u003eBody\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e1.25 x 1.25 in glass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e\u003cstrong\u003eWater type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003eFreshwater and saltwater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e180 day limited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003ePairs Well With\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/aquatop-astt-001-smart-temp-thermometer-w-magnet-mount\"\u003eAquatop Smart-Temp Digital Thermometer\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/aquatop-gt001-floating-glass-aquarium-thermometer\"\u003eAquatop GT-001 Floating Glass Thermometer\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/aquatop-pisces-25w-nano-aquarium-heater\"\u003eAquatop Pisces 25W Pre-Set Heater\u003c\/a\u003e for nano tanks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich wattage do I need?\u003c\/strong\u003e\u003cbr\u003eUse the tank size in the table. For a cold room or a large tank, go up one size or use two heaters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it shut off if the water drops?\u003c\/strong\u003e\u003cbr\u003eNo. Keep it fully submerged, and unplug it during water changes that lower the water level.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Aquatop","offers":[{"title":"50W","offer_id":48087850647771,"sku":"GH-50W","price":17.99,"currency_code":"USD","in_stock":true},{"title":"75W","offer_id":48087851172059,"sku":"GH-75W","price":19.99,"currency_code":"USD","in_stock":false},{"title":"100W","offer_id":48087851204827,"sku":"GH-100W","price":23.99,"currency_code":"USD","in_stock":true},{"title":"150W","offer_id":48087851237595,"sku":"GH-150W","price":24.99,"currency_code":"USD","in_stock":true},{"title":"200W","offer_id":48087851270363,"sku":"GH-200W","price":26.99,"currency_code":"USD","in_stock":true},{"title":"250W","offer_id":48087851303131,"sku":"GH-250W","price":27.99,"currency_code":"USD","in_stock":false},{"title":"300W","offer_id":48087851335899,"sku":"GH-300W","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/1_50W_box-2k_960x960_79f7d20e-27c5-4553-9249-ca132be3090e.jpg?v=1766769556","url":"https:\/\/squeakysaquatics.com\/products\/aquatop-analog-glass-heater","provider":"Squeaky's Aquatics","version":"1.0","type":"link"}