{"product_id":"sicce-jolly-preset-6w-aquarium-heater","title":"SICCE Jolly Preset 6W Plastic Aquarium Heater – Up to 1.6 Gallons","description":"\u003cp\u003eThe SICCE Jolly Preset 6W Aquarium Heater is a compact, fully submersible heater designed for pico aquariums, very small nano tanks, aquatic sections of paludariums, and other setups containing up to approximately 6 liters, or 1.6 US gallons, of water.\u003c\/p\u003e\n\u003cp\u003eIts electronic thermostat is factory preset to approximately 77°F, or 25°C. The heater automatically switches off when the preset temperature is reached and resumes heating when additional warmth is needed, providing simple temperature control without an adjustment dial.\u003c\/p\u003e\n\u003cp\u003eThe reinforced plastic casing provides a durable alternative to traditional glass heaters. The Jolly Preset also includes a red operating indicator, automatic temperature shutoff, out-of-water thermal protection, suction-cup mounting, a chew-safe spiral cord cover, and decorative adhesive covers that help it blend into the aquarium environment.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePreset to 77°F:\u003c\/strong\u003e Electronic thermostat is factory set to approximately 77°F, or 25°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6-Watt Output:\u003c\/strong\u003e Designed for very small aquariums up to approximately 1.6 gallons\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Temperature Control:\u003c\/strong\u003e Stops heating when the preset temperature is reached\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Submersible:\u003c\/strong\u003e Reinforced plastic casing is designed for underwater operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Plastic Housing:\u003c\/strong\u003e No exposed glass heater tube\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOut-of-Water Protection:\u003c\/strong\u003e Built-in thermal protection switches the heater off when it is no longer submerged\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRed ON\/OFF Indicator:\u003c\/strong\u003e Shows when the heater is operating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure Suction-Cup Mount:\u003c\/strong\u003e Helps keep the heater positioned inside the aquarium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChew-Safe Cord Cover:\u003c\/strong\u003e Spiral protection helps shield the power cord in turtle and reptile setups\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDecorative Covers Included:\u003c\/strong\u003e Adhesive patterns help the heater blend with aquarium décor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e SICCE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e Jolly Preset Plastic Aquarium Heater\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Jolly Preset 6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWattage:\u003c\/strong\u003e 6 watts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Maximum Capacity:\u003c\/strong\u003e 6 liters \/ approximately 1.6 US gallons\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePreset Temperature:\u003c\/strong\u003e 77°F \/ 25°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Adjustment:\u003c\/strong\u003e Non-adjustable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermostat:\u003c\/strong\u003e Electronic preset thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHousing:\u003c\/strong\u003e Reinforced plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Fully submersible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndicator:\u003c\/strong\u003e Red ON\/OFF light\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Suction-cup holder\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Cable:\u003c\/strong\u003e Approximately 7.8 feet on the U.S. model\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage and Frequency:\u003c\/strong\u003e 120V \/ 60Hz U.S. model\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Code:\u003c\/strong\u003e TJOP06U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAquarium Compatibility:\u003c\/strong\u003e Freshwater and saltwater\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBest Used For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePico aquariums up to approximately 1.6 gallons\u003c\/li\u003e\n\u003cli\u003eVery small nano aquariums\u003c\/li\u003e\n\u003cli\u003eSmall shrimp setups when 77°F is appropriate\u003c\/li\u003e\n\u003cli\u003eAquatic sections of paludariums\u003c\/li\u003e\n\u003cli\u003eSmall turtle or reptile water areas\u003c\/li\u003e\n\u003cli\u003eTemporary observation containers within the rated capacity\u003c\/li\u003e\n\u003cli\u003eFreshwater and marine setups requiring compact preset heating\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePreset Temperature\u003c\/h3\u003e\n\u003cp\u003eThe SICCE Jolly Preset 6W is factory set to approximately 77°F, or 25°C. It does not include an adjustment dial or user-selectable temperature setting.\u003c\/p\u003e\n\u003cp\u003eThe electronic thermostat turns the heating element off when the preset temperature is reached. Heating resumes automatically when the water cools and additional warmth is required.\u003c\/p\u003e\n\u003cp\u003eConfirm that approximately 77°F is appropriate for every animal in the aquarium. Some shrimp, amphibians, cool-water species, and temporary treatment setups may require a different temperature.\u003c\/p\u003e\n\u003ch3\u003eRecommended Aquarium Size\u003c\/h3\u003e\n\u003cp\u003eSICCE rates the 6W Jolly Preset for aquariums containing up to approximately 6 liters, equivalent to about 1.6 US gallons.\u003c\/p\u003e\n\u003cp\u003eThe original recommendation of up to 2.5 gallons exceeds the manufacturer’s published capacity and should not be used as the standard tank-size claim.\u003c\/p\u003e\n\u003cp\u003eActual heating performance may vary according to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRoom temperature\u003c\/li\u003e\n\u003cli\u003eAmount of water\u003c\/li\u003e\n\u003cli\u003eOpen-top or covered aquarium design\u003c\/li\u003e\n\u003cli\u003eWater circulation\u003c\/li\u003e\n\u003cli\u003eDrafts and nearby windows\u003c\/li\u003e\n\u003cli\u003eThe difference between room temperature and 77°F\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe heater may struggle to maintain 77°F in a 1.6-gallon open aquarium located in a cold room. Always verify the actual water temperature with a separate thermometer.\u003c\/p\u003e\n\u003ch3\u003eSICCE Jolly Preset Heater Sizing Guide\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e6W:\u003c\/strong\u003e Up to 6 liters \/ approximately 1.6 gallons\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12W:\u003c\/strong\u003e Up to 12 liters \/ approximately 3.2 gallons\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25W:\u003c\/strong\u003e Up to 25 liters \/ approximately 6.6 gallons\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e35W:\u003c\/strong\u003e Up to 35 liters \/ approximately 9.2 gallons\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSelect the model based on the aquarium’s actual water volume and room conditions. The amount of water displaced by substrate and decorations should also be considered.\u003c\/p\u003e\n\u003ch3\u003eInstallation Instructions\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eInspect the heater, plastic housing, power cord, plug, suction cups, and cord cover before installation.\u003c\/li\u003e\n\u003cli\u003eDo not use the heater if the casing or electrical cord appears damaged.\u003c\/li\u003e\n\u003cli\u003eAttach the supplied suction-cup holder.\u003c\/li\u003e\n\u003cli\u003ePlace the heater fully underwater in the aquarium.\u003c\/li\u003e\n\u003cli\u003ePosition it where water can circulate around the housing.\u003c\/li\u003e\n\u003cli\u003eCreate a drip loop in the cord below the electrical outlet.\u003c\/li\u003e\n\u003cli\u003eAllow the heater to acclimate underwater before connecting power.\u003c\/li\u003e\n\u003cli\u003ePlug it into an appropriate electrical outlet.\u003c\/li\u003e\n\u003cli\u003eConfirm operation with a separate aquarium thermometer.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eAlways follow the installation, operating, and safety instructions supplied with the heater.\u003c\/p\u003e\n\u003ch3\u003ePlacement and Water Circulation\u003c\/h3\u003e\n\u003cp\u003ePlace the heater near gentle water movement from a filter outlet, air-driven filter, or small circulation pump. Consistent circulation helps distribute warmed water throughout the aquarium.\u003c\/p\u003e\n\u003cp\u003eAvoid positioning the heater where decorations completely block water movement. Even in a very small aquarium, poor circulation can produce uneven temperature readings.\u003c\/p\u003e\n\u003cp\u003eSICCE states that the reinforced plastic Jolly heaters may be positioned beneath suitable gravel. When using this installation method, follow the manufacturer’s instructions and avoid placing heavy rocks or decorations directly on the heater or cord.\u003c\/p\u003e\n\u003ch3\u003eRed ON\/OFF Indicator Light\u003c\/h3\u003e\n\u003cp\u003eThe red indicator light shows when the preset heater is operating. It turns off when the target temperature has been reached or when the heater’s safety protection is activated.\u003c\/p\u003e\n\u003cp\u003eNormal cycling is expected. The light does not need to remain illuminated continuously for the aquarium to stay near the preset temperature.\u003c\/p\u003e\n\u003ch3\u003eAutomatic Temperature Shutoff\u003c\/h3\u003e\n\u003cp\u003eThe Jolly Preset model includes an electronic thermostat that automatically stops heating when the water reaches approximately 77°F.\u003c\/p\u003e\n\u003cp\u003eThis feature distinguishes the Jolly Preset series from SICCE’s standard 10W and 20W Jolly heaters, which are designed to remain on continuously while submerged and do not use the same preset temperature control.\u003c\/p\u003e\n\u003cp\u003eMake sure the product being purchased specifically says \u003cstrong\u003eJolly Preset 6W\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eOut-of-Water Thermal Protection\u003c\/h3\u003e\n\u003cp\u003eThe heater includes thermal protection designed to switch the unit off when it is no longer underwater. This helps reduce overheating if the heater becomes exposed.\u003c\/p\u003e\n\u003cp\u003eThe safety feature should not replace proper handling. Always unplug the heater before draining the aquarium, removing the unit, or placing hands in the water.\u003c\/p\u003e\n\u003ch3\u003eUse in Betta Aquariums\u003c\/h3\u003e\n\u003cp\u003eThe Jolly Preset 6W may be suitable for a very small betta setup within the manufacturer’s 1.6-gallon limit, but aquarium size and animal welfare should be considered separately.\u003c\/p\u003e\n\u003cp\u003eBettas generally benefit from a properly filtered, heated aquarium with enough room to swim and stable water quality. The small heater rating should not be interpreted as a recommendation to permanently house a betta in a tiny bowl.\u003c\/p\u003e\n\u003cp\u003eFor larger betta aquariums, select a higher-wattage heater rated for the full tank volume.\u003c\/p\u003e\n\u003ch3\u003eUse with Shrimp\u003c\/h3\u003e\n\u003cp\u003eThe Jolly Preset 6W may be used in a small shrimp aquarium when approximately 77°F is suitable for the species.\u003c\/p\u003e\n\u003cp\u003eSome Neocaridina shrimp tolerate this temperature, while many Caridina species may prefer cooler water. Warm water also holds less dissolved oxygen than cool water.\u003c\/p\u003e\n\u003cp\u003eResearch the requirements of the specific shrimp species and monitor temperature continuously with a separate thermometer.\u003c\/p\u003e\n\u003ch3\u003eFreshwater and Saltwater Use\u003c\/h3\u003e\n\u003cp\u003eThe Jolly Preset is designed for small freshwater and marine aquariums. The preset temperature must still be appropriate for the livestock being maintained.\u003c\/p\u003e\n\u003cp\u003eIn saltwater environments, inspect the heater and cord regularly for salt deposits. Unplug the heater before cleaning and never use household cleaning chemicals.\u003c\/p\u003e\n\u003ch3\u003eUse in Turtle Tanks, Terrariums, and Paludariums\u003c\/h3\u003e\n\u003cp\u003eSICCE identifies small turtle tanks among the intended uses for the Jolly heater series. The reinforced plastic housing and chew-safe spiral cord cover provide advantages in setups where traditional glass equipment may be more vulnerable.\u003c\/p\u003e\n\u003cp\u003eThe heater must remain in a sufficiently deep aquatic area and stay properly submerged during normal operation.\u003c\/p\u003e\n\u003cp\u003eDo not allow rocks, décor, or animal activity to crush, dislodge, or expose the heater.\u003c\/p\u003e\n\u003ch3\u003eUsing a Separate Thermometer\u003c\/h3\u003e\n\u003cp\u003eAlways use an independent aquarium thermometer with a preset heater. The thermometer confirms the actual water temperature and helps identify improper sizing, poor circulation, or equipment failure.\u003c\/p\u003e\n\u003cp\u003ePlace the thermometer away from the heater so it measures the general aquarium temperature rather than the warmer water immediately around the heating element.\u003c\/p\u003e\n\u003ch3\u003eWater-Change Safety\u003c\/h3\u003e\n\u003cp\u003eUnplug the heater before lowering the aquarium water level. Although it has out-of-water thermal protection, disconnecting power remains the safest practice.\u003c\/p\u003e\n\u003cp\u003eAllow the heater to cool before removing or handling it. After the aquarium is refilled, make sure the unit is fully submerged and allow it to acclimate before plugging it back in.\u003c\/p\u003e\n\u003ch3\u003eCleaning and Maintenance\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eUnplug the heater.\u003c\/li\u003e\n\u003cli\u003eAllow it to cool.\u003c\/li\u003e\n\u003cli\u003eRemove it carefully from the aquarium.\u003c\/li\u003e\n\u003cli\u003eWipe away algae, mineral deposits, and debris with a soft cloth or sponge.\u003c\/li\u003e\n\u003cli\u003eInspect the plastic housing, cord, plug, suction cups, and spiral cord cover.\u003c\/li\u003e\n\u003cli\u003eReinstall the heater fully underwater.\u003c\/li\u003e\n\u003cli\u003eAllow it to acclimate before reconnecting power.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eDo not use abrasive tools, sharp scrapers, bleach, soap, or household cleaners.\u003c\/p\u003e\n\u003ch3\u003eElectrical Safety\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCreate a drip loop in the power cord below the outlet\u003c\/li\u003e\n\u003cli\u003eUse a GFCI-protected electrical outlet whenever possible\u003c\/li\u003e\n\u003cli\u003eKeep the plug and outlet dry\u003c\/li\u003e\n\u003cli\u003eDo not handle the plug with wet hands\u003c\/li\u003e\n\u003cli\u003eUnplug aquarium equipment before placing hands in the water\u003c\/li\u003e\n\u003cli\u003eDo not use a heater with damaged housing or wiring\u003c\/li\u003e\n\u003cli\u003eNever pull or carry the heater by its cord\u003c\/li\u003e\n\u003cli\u003eDo not cut, splice, or attempt to repair the power cord\u003c\/li\u003e\n\u003cli\u003eKeep the heater properly submerged during operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eImportant Aquarium Heater Note\u003c\/h3\u003e\n\u003cp\u003eNo aquarium heater should be considered completely fail-proof. Check the aquarium temperature regularly with a separate thermometer.\u003c\/p\u003e\n\u003cp\u003eThe SICCE Jolly Preset 6W is rated for a maximum of approximately 1.6 gallons and is not adjustable. Do not use it for a larger aquarium or for livestock requiring a temperature substantially different from 77°F.\u003c\/p\u003e\n\u003cp\u003eVery small aquariums can experience rapid changes in temperature and water quality. Monitor them closely and maintain appropriate filtration, aeration, and water-change routines.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat size aquarium is the SICCE Jolly Preset 6W designed for?\u003c\/strong\u003e\u003cbr\u003eIt is rated for aquariums up to approximately 6 liters, or 1.6 US gallons.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it suitable for aquariums up to 2.5 gallons?\u003c\/strong\u003e\u003cbr\u003eThe manufacturer’s published maximum is approximately 1.6 gallons. A higher-wattage model should be selected for larger tanks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat temperature is it preset to?\u003c\/strong\u003e\u003cbr\u003eIt is preset to approximately 77°F, or 25°C.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the temperature be adjusted?\u003c\/strong\u003e\u003cbr\u003eNo. The Jolly Preset 6W uses a factory-set electronic thermostat.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it turn off automatically?\u003c\/strong\u003e\u003cbr\u003eYes. The preset model stops heating when the target temperature is reached.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the heater made from glass?\u003c\/strong\u003e\u003cbr\u003eNo. It uses a reinforced plastic casing without an exposed glass heater tube.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it fully submersible?\u003c\/strong\u003e\u003cbr\u003eYes. It is designed for fully submerged operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it have out-of-water protection?\u003c\/strong\u003e\u003cbr\u003eYes. Built-in thermal protection switches the heater off when it is no longer underwater.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it have an indicator light?\u003c\/strong\u003e\u003cbr\u003eYes. The Jolly Preset series uses a red ON\/OFF indicator light.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be placed beneath aquarium gravel?\u003c\/strong\u003e\u003cbr\u003eSICCE states that the reinforced plastic Jolly heaters may be placed beneath suitable gravel when installed according to the manufacturer’s directions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used in freshwater aquariums?\u003c\/strong\u003e\u003cbr\u003eYes. It is designed for small freshwater aquariums within its rated capacity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used in saltwater aquariums?\u003c\/strong\u003e\u003cbr\u003eYes. It may be used in small marine aquariums when 77°F is appropriate for the livestock.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it suitable for bettas?\u003c\/strong\u003e\u003cbr\u003eIt may provide heat for an aquarium within the 1.6-gallon rating, but a betta should still be provided with adequate swimming space, filtration, and stable water quality.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it safe for shrimp?\u003c\/strong\u003e\u003cbr\u003eIt may be used with shrimp species that are suited to approximately 77°F.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it include a chew-safe cord cover?\u003c\/strong\u003e\u003cbr\u003eYes. SICCE includes a spiral cord cover intended to provide added protection in turtle and reptile setups.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShould I use a separate thermometer?\u003c\/strong\u003e\u003cbr\u003eYes. A separate thermometer is recommended with every aquarium heater.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShould it be unplugged during water changes?\u003c\/strong\u003e\u003cbr\u003eYes. Unplug the heater before lowering the water level, cleaning the aquarium, or removing the unit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long is the power cable?\u003c\/strong\u003e\u003cbr\u003eThe official U.S. model is listed with an approximately 7.8-foot power cable.\u003c\/p\u003e\n\u003ch3\u003eAvailable at Tropical Treasures Wyo\u003c\/h3\u003e\n\u003cp\u003eThe SICCE Jolly Preset 6W Plastic Aquarium Heater provides compact, automatic heating for freshwater and saltwater pico aquariums up to approximately 1.6 gallons. Its reinforced plastic housing, preset electronic thermostat, red indicator light, out-of-water protection, suction-cup mount, and chew-safe cord cover make it a versatile option for very small aquatic setups.\u003c\/p\u003e\n\u003cp\u003eVisit Tropical Treasures Wyo in Cheyenne, Wyoming, to shop SICCE aquarium heaters, nano filters, aquarium thermometers, air pumps, temperature-control equipment, and small-tank supplies.\u003c\/p\u003e","brand":"Tropical Treasures Wyo LLC","offers":[{"title":"Default Title","offer_id":52155744583893,"sku":null,"price":29.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/4545\/8133\/files\/SI97710-2T.png?v=1785067927","url":"https:\/\/tropicaltreasureswyo.com\/products\/sicce-jolly-preset-6w-aquarium-heater","provider":"Tropical Treasures Wyo LLC","version":"1.0","type":"link"}