{"product_id":"aquatop-gt001-floating-glass-aquarium-thermometer","title":"Aquatop GT-001 Floating Glass Aquarium Thermometer","description":"\u003cp\u003eThe \u003cstrong\u003eAquatop GT-001 Floating Glass Aquarium Thermometer\u003c\/strong\u003e is the simple, dependable way to keep an eye on tank temperature. Stick it to the glass with the included suction cup or let it float, read the easy scale with its highlighted safe zone at a glance, and know in seconds whether your heater is doing its job. It works in freshwater and saltwater, needs no batteries, and floats if a fish or a water change knocks it loose, so it never ends up buried in the gravel. Pair it with a heater and the rest of our \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/maintenance-water-care\"\u003ewater care and monitoring gear\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;\"\u003eWhy You'll Love It\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFloats if it comes loose:\u003c\/strong\u003e a knocked-off thermometer bobs to the surface instead of hiding in the substrate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo ways to mount:\u003c\/strong\u003e suction cup on the inside glass, or free-floating for tanks where you would rather not stick anything to the panels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafe zone at a glance:\u003c\/strong\u003e the highlighted green band marks the range most tropical fish prefer, so a quick look tells you all is well.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual scale:\u003c\/strong\u003e Fahrenheit and Celsius side by side.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo batteries, no sensors, no drift:\u003c\/strong\u003e a liquid-filled glass thermometer is the classic backup to a digital controller and costs less than a coffee.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFresh or salt:\u003c\/strong\u003e glass and suction cup are safe in any aquarium.\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;\"\u003eHow to Use\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eRinse the thermometer and suction cup in tank water.\u003c\/li\u003e\n\u003cli\u003ePress the suction cup onto a clean inside pane at eye level, away from the heater and the filter outflow so it reads the tank, not the equipment. Or simply drop it in to float.\u003c\/li\u003e\n\u003cli\u003eGive it a few minutes to settle, then read the column against the scale.\u003c\/li\u003e\n\u003cli\u003eCheck it against a second thermometer now and then, and move it if algae builds up on the pane.\u003c\/li\u003e\n\u003c\/ol\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;font-size:0.95em;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eAquatop GT-001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eLiquid-filled floating glass thermometer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eScale\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eFahrenheit and Celsius with a highlighted safe temperature zone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eIncluded suction cup, or free-floating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eWater type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eFreshwater and saltwater aquariums\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eNone required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\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;\"\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 Aquatop GT-001 floating glass thermometer\u003c\/li\u003e\n\u003cli\u003e1 suction cup mount\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;\"\u003eRecommended Pairings\u003c\/h3\u003e\n\u003cul\u003e\n\n\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/aquatop-astt-001-smart-temp-thermometer-w-magnet-mount\"\u003eAquatop Smart-Temp Thermometer\u003c\/a\u003e, magnet-mount digital readout\u003c\/li\u003e\n\n\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/aquatop-atsd01-stick-on-digital-thermometer\"\u003eAquatop ATSD-01 Stick-On Digital Thermometer\u003c\/a\u003e, a strip that reads from outside the glass\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/aquatop-awat001-weighted-glass-aquarium-thermometer\"\u003eAquatop AWAT-001 Weighted Glass Thermometer\u003c\/a\u003e, the sinking version with a claw base\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/aquatop-pisces-10w-heater\"\u003eAquatop Pisces 10W Nano Heater\u003c\/a\u003e and \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/aquatop-pisces-25w-nano-aquarium-heater\"\u003ePisces 25W Nano Heater\u003c\/a\u003e, the other half of stable temperature\u003c\/li\u003e\n\u003cli\u003eMore \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/maintenance-water-care\"\u003ewater care and monitoring gear\u003c\/a\u003e\n\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\u003eHow accurate is a glass thermometer?\u003c\/strong\u003e Accurate enough for a home aquarium: it tells you the tank is holding in the safe zone and warns you when a heater sticks on or fails. For fine control, pair it with a digital controller and use this as the independent check.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere should I put it?\u003c\/strong\u003e On the front or side pane at eye level, away from the heater and filter return, so it reads the water your fish live in rather than the warmest or coolest spot.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat if it breaks?\u003c\/strong\u003e Remove every piece of glass right away and do a partial water change. Keep it out of the path of large fish and away from rock that could pin it.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it work in a reef tank?\u003c\/strong\u003e Yes. The glass and suction cup are safe in saltwater; just keep the suction cup clean of coralline so it holds.\u003c\/p\u003e","brand":"Aquatop","offers":[{"title":"Default Title","offer_id":47626955489499,"sku":"GT-001","price":3.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/819603015812.jpg?v=1789581922","url":"https:\/\/squeakysaquatics.com\/products\/aquatop-gt001-floating-glass-aquarium-thermometer","provider":"Squeaky's Aquatics","version":"1.0","type":"link"}