{"product_id":"sicce-scuba-preset-300w-aquarium-heater","title":"SICCE Scuba Preset 300W Aquarium Heater – 65 to 90 Gallons","description":"\u003cp\u003eThe SICCE Scuba Preset 300W Aquarium Heater is a fully submersible electronic heater designed to maintain a stable temperature in large freshwater and saltwater aquariums. Its factory-preset thermostat maintains approximately 77°F, or 25°C, without requiring manual temperature adjustment.\u003c\/p\u003e\n\u003cp\u003eSICCE rates the 300-watt model for aquariums between approximately 65 and 90 US gallons. It is a convenient option for tropical community tanks, planted aquariums, marine systems, quarantine setups, and other aquariums whose inhabitants are suited to a temperature near 77°F.\u003c\/p\u003e\n\u003cp\u003eThe Scuba Preset features high-thermal-density, shatter-resistant glass, an electronic thermostat, thermal safety shutoff, a visible ON\/OFF indicator light, and strong suction cups for secure installation. Its slim design helps reduce visual impact inside the aquarium while providing dependable everyday temperature control.\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 Factory set to approximately 77°F, or 25°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e300-Watt Heating Output:\u003c\/strong\u003e Designed for large aquariums between approximately 65 and 90 gallons\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectronic Thermostat:\u003c\/strong\u003e Automatically cycles the heater on and off to maintain the preset temperature\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Submersible:\u003c\/strong\u003e Designed to operate completely underwater\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShatter-Resistant Glass:\u003c\/strong\u003e High-thermal-density glass construction provides durability and efficient heat transfer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Safety Shutoff:\u003c\/strong\u003e Built-in protection helps reduce the risk of overheating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eON\/OFF Indicator Light:\u003c\/strong\u003e Shows when the heating element is operating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong Suction Cups:\u003c\/strong\u003e Help keep the heater securely positioned inside the aquarium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreshwater and Marine Use:\u003c\/strong\u003e Suitable for a variety of aquarium environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlim Profile:\u003c\/strong\u003e Designed to minimize visual impact inside the tank\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 Scuba Preset Aquarium Heater\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Scuba Preset 300\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 300 watts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Aquarium Capacity:\u003c\/strong\u003e 65–90 US gallons\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetric Aquarium Capacity:\u003c\/strong\u003e 250–350 liters\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 Tolerance:\u003c\/strong\u003e Approximately ±2°F \/ ±1°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Adjustment:\u003c\/strong\u003e Non-adjustable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e High-thermal-density, shatter-resistant glass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermostat:\u003c\/strong\u003e Electronic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndicator:\u003c\/strong\u003e ON\/OFF heating light\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Feature:\u003c\/strong\u003e Thermal safety shutoff\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Length:\u003c\/strong\u003e Approximately 6 feet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Fully submersible with suction-cup mounting\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\u003eLarge aquariums between approximately 65 and 90 gallons\u003c\/li\u003e\n\u003cli\u003e75-gallon tropical community aquariums\u003c\/li\u003e\n\u003cli\u003eLarge planted aquariums\u003c\/li\u003e\n\u003cli\u003eFreshwater cichlid aquariums when 77°F is appropriate\u003c\/li\u003e\n\u003cli\u003eLarge discus or angelfish systems only when the preset temperature meets their needs\u003c\/li\u003e\n\u003cli\u003eMarine fish aquariums\u003c\/li\u003e\n\u003cli\u003eLarge quarantine or holding systems\u003c\/li\u003e\n\u003cli\u003eAquariums where a simple preset heater is preferred\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePreset Temperature\u003c\/h3\u003e\n\u003cp\u003eThe SICCE Scuba Preset 300W is factory set to approximately 77°F, or 25°C. SICCE lists a normal operating tolerance of approximately ±2°F, or ±1°C.\u003c\/p\u003e\n\u003cp\u003eThe actual temperature may therefore cycle slightly above or below 77°F during normal operation. Room temperature, water circulation, aquarium volume, lid coverage, equipment placement, and thermometer accuracy may also affect the measured temperature.\u003c\/p\u003e\n\u003cp\u003eThis heater is not adjustable. Confirm that approximately 77°F is appropriate for every fish, shrimp, plant, coral, or invertebrate in the aquarium before selecting this model.\u003c\/p\u003e\n\u003ch3\u003eRecommended Aquarium Size\u003c\/h3\u003e\n\u003cp\u003eSICCE rates the Scuba Preset 300W for aquariums between approximately 65 and 90 US gallons, equivalent to approximately 250–350 liters.\u003c\/p\u003e\n\u003cp\u003eThe original estimate of 79 gallons falls within this range, but it understates the manufacturer’s maximum published capacity.\u003c\/p\u003e\n\u003cp\u003eHeater sizing depends on more than aquarium volume. Performance may also be affected by:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe difference between room temperature and the desired aquarium temperature\u003c\/li\u003e\n\u003cli\u003eWhether the aquarium has a lid or open top\u003c\/li\u003e\n\u003cli\u003eWater circulation and filter placement\u003c\/li\u003e\n\u003cli\u003eDrafts, exterior walls, and nearby windows\u003c\/li\u003e\n\u003cli\u003eAquarium shape and exposed surface area\u003c\/li\u003e\n\u003cli\u003eWater volume displaced by substrate, rock, and decorations\u003c\/li\u003e\n\u003cli\u003eWhether a sump is included in the total system volume\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA 300W heater may adequately heat a covered 90-gallon aquarium in a warm room but may struggle in a similarly sized open-top aquarium located in a cold area.\u003c\/p\u003e\n\u003ch3\u003eSICCE Scuba Preset Heater Sizing Guide\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e50W:\u003c\/strong\u003e 10–15 US gallons\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100W:\u003c\/strong\u003e 20–35 US gallons\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e150W:\u003c\/strong\u003e 31–45 US gallons\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e200W:\u003c\/strong\u003e 40–60 US gallons\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e250W:\u003c\/strong\u003e 53–75 US gallons\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e300W:\u003c\/strong\u003e 65–90 US gallons\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese are SICCE’s published capacity ranges. Choose the heater size according to the aquarium’s actual conditions rather than relying solely on a general watts-per-gallon rule.\u003c\/p\u003e\n\u003ch3\u003eInstallation Instructions\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eInspect the heater, glass body, cord, plug, mounting bracket, and suction cups before installation.\u003c\/li\u003e\n\u003cli\u003eDo not use the heater if the glass, cord, plug, or housing appears damaged.\u003c\/li\u003e\n\u003cli\u003eAttach the supplied suction cups securely.\u003c\/li\u003e\n\u003cli\u003eInstall the heater fully underwater in the aquarium.\u003c\/li\u003e\n\u003cli\u003ePosition it near steady water circulation from a filter return or circulation pump.\u003c\/li\u003e\n\u003cli\u003eAllow the heater to remain submerged and unplugged for approximately 15 minutes before connecting power.\u003c\/li\u003e\n\u003cli\u003eCreate a drip loop in the power cord below the electrical outlet.\u003c\/li\u003e\n\u003cli\u003ePlug the heater into a properly protected outlet.\u003c\/li\u003e\n\u003cli\u003eMonitor the aquarium with a separate thermometer.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eAlways review the included SICCE instructions before installation and use.\u003c\/p\u003e\n\u003ch3\u003eBest Heater Placement\u003c\/h3\u003e\n\u003cp\u003ePosition the heater in an area with consistent water movement so warmed water is distributed throughout the aquarium. Placement near a filter outlet, canister-filter return, internal pump, or circulation pump can help reduce temperature differences between areas of a large tank.\u003c\/p\u003e\n\u003cp\u003eAvoid placing the heater in a stagnant corner or behind dense decorations that prevent water from flowing around the glass body.\u003c\/p\u003e\n\u003cp\u003eDo not bury the heater in substrate or allow it to rest directly against rock, driftwood, decorations, or the aquarium bottom.\u003c\/p\u003e\n\u003ch3\u003eHorizontal or Vertical Installation\u003c\/h3\u003e\n\u003cp\u003eThe Scuba Preset may be positioned according to the aquarium layout and the manufacturer’s instructions, provided the heater remains fully submerged and water can circulate freely around it.\u003c\/p\u003e\n\u003cp\u003eA horizontal or slightly angled position low in the aquarium may help distribute heat as warmer water rises. Vertical placement may be more convenient in narrow spaces or near a filter intake or return.\u003c\/p\u003e\n\u003cp\u003eSecure both suction cups firmly and inspect them regularly to ensure the heater has not detached from the aquarium wall.\u003c\/p\u003e\n\u003ch3\u003eUsing a Separate Thermometer\u003c\/h3\u003e\n\u003cp\u003eAlways pair the heater with a separate aquarium thermometer. A preset thermostat controls the heater, but an independent thermometer confirms the actual water temperature.\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 surrounding the heating element.\u003c\/p\u003e\n\u003cp\u003eIn large aquariums, checking temperature at opposite ends of the tank can help identify insufficient circulation or temperature differences.\u003c\/p\u003e\n\u003ch3\u003eON\/OFF Indicator Light\u003c\/h3\u003e\n\u003cp\u003eThe indicator light shows when the heating element is operating. It will normally turn on when additional heat is needed and switch off when the electronic thermostat reaches the preset temperature.\u003c\/p\u003e\n\u003cp\u003eNormal cycling is expected. The light does not need to stay illuminated continuously for the aquarium to remain warm.\u003c\/p\u003e\n\u003cp\u003eIf the light remains on continuously while the aquarium stays below the expected range, the room may be too cold, circulation may be insufficient, or the heater may be undersized for the total system volume.\u003c\/p\u003e\n\u003ch3\u003eThermal Safety Shutoff\u003c\/h3\u003e\n\u003cp\u003eThe Scuba Preset includes thermal safety protection designed to reduce the risk of overheating.\u003c\/p\u003e\n\u003cp\u003eThis feature does not replace proper installation and handling. Always operate the heater fully submerged, maintain adequate water circulation, and unplug it before exposing it to air.\u003c\/p\u003e\n\u003cp\u003eNo safety system makes an aquarium heater completely fail-proof. Continue checking temperature regularly with an independent thermometer.\u003c\/p\u003e\n\u003ch3\u003eWater-Change Safety\u003c\/h3\u003e\n\u003cp\u003eUnplug the heater before draining aquarium water. Even a fully submersible heater can overheat or become damaged if it remains powered while exposed to air.\u003c\/p\u003e\n\u003cp\u003eAllow the heater to cool while it is still underwater before removing it or lowering the water below its position.\u003c\/p\u003e\n\u003cp\u003eAfter refilling the aquarium, confirm that the heater is fully submerged and allow it to acclimate for approximately 15 minutes before reconnecting power.\u003c\/p\u003e\n\u003ch3\u003eFreshwater Aquarium Use\u003c\/h3\u003e\n\u003cp\u003eThe Scuba Preset may be used in freshwater tropical community aquariums, planted systems, cichlid tanks, quarantine setups, and other compatible freshwater environments.\u003c\/p\u003e\n\u003cp\u003eThe heater does not regulate pH, GH, KH, ammonia, nitrite, nitrate, or other water parameters. Continue regular testing and aquarium maintenance.\u003c\/p\u003e\n\u003ch3\u003eSaltwater Aquarium Use\u003c\/h3\u003e\n\u003cp\u003eThe heater may be used in appropriately sized saltwater and marine aquariums when approximately 77°F is suitable for the livestock.\u003c\/p\u003e\n\u003cp\u003eRegularly inspect the heater, suction cups, cord, and mounting hardware for salt or mineral buildup. Always disconnect power before cleaning or handling the unit.\u003c\/p\u003e\n\u003cp\u003eMarine aquarium temperature requirements vary by species. Confirm that the preset range is appropriate for the fish, coral, and invertebrates being maintained.\u003c\/p\u003e\n\u003ch3\u003eUse in Planted Aquariums\u003c\/h3\u003e\n\u003cp\u003eThe Scuba Preset 300W may be used in large planted aquariums when approximately 77°F is suitable for the plants and livestock.\u003c\/p\u003e\n\u003cp\u003ePlace the heater where dense plant growth will not block water circulation or prevent routine inspection.\u003c\/p\u003e\n\u003cp\u003eThe heater provides temperature control only and does not supply lighting, carbon dioxide, fertilizer, or plant nutrients.\u003c\/p\u003e\n\u003ch3\u003eUse with Shrimp\u003c\/h3\u003e\n\u003cp\u003eThe heater may be used in large shrimp or mixed-community aquariums when the shrimp species is compatible with approximately 77°F.\u003c\/p\u003e\n\u003cp\u003eSome Neocaridina may tolerate this temperature, while many Caridina and cool-water shrimp may do better at lower temperatures. Warmer water also contains less dissolved oxygen.\u003c\/p\u003e\n\u003cp\u003eResearch the requirements of the specific shrimp species and maintain adequate aeration and circulation.\u003c\/p\u003e\n\u003ch3\u003eUse in Cichlid Aquariums\u003c\/h3\u003e\n\u003cp\u003eThe 300W Scuba Preset may be suitable for many African, Central American, and South American cichlid systems within the rated aquarium size, provided approximately 77°F matches the species’ needs.\u003c\/p\u003e\n\u003cp\u003eSome cichlids require warmer or cooler water, especially during breeding or treatment. Select an adjustable heater when a different temperature must be maintained.\u003c\/p\u003e\n\u003ch3\u003eUse in Quarantine or Holding Systems\u003c\/h3\u003e\n\u003cp\u003eThe heater may be used in large quarantine, observation, retail, or temporary holding systems when 77°F is suitable for the fish being housed.\u003c\/p\u003e\n\u003cp\u003eBecause it is not adjustable, it may not be appropriate for treatment protocols requiring a specific elevated or reduced temperature.\u003c\/p\u003e\n\u003cp\u003eDisinfect equipment carefully between uses and inspect the glass and cord before reinstalling the heater.\u003c\/p\u003e\n\u003ch3\u003eOne Large Heater vs. Two Smaller Heaters\u003c\/h3\u003e\n\u003cp\u003eFor some large aquariums, using two smaller heaters may provide more even heat distribution and limited redundancy if one heater stops working.\u003c\/p\u003e\n\u003cp\u003eFor example, a system that requires approximately 300 watts of heating may sometimes be operated with two appropriately sized heaters placed at opposite ends of the aquarium. The combined wattage must still be appropriate for the aquarium and room conditions.\u003c\/p\u003e\n\u003cp\u003eUsing two heaters does not eliminate the need for a thermometer, regular inspection, or safe electrical installation.\u003c\/p\u003e\n\u003ch3\u003ePreset vs. Adjustable Aquarium Heaters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePreset Heater:\u003c\/strong\u003e Simple plug-and-play operation with no temperature dial\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Heater:\u003c\/strong\u003e Allows the aquarium owner to select a species-specific or treatment-specific temperature\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Scuba Preset is a good choice when approximately 77°F is appropriate and simple operation is preferred.\u003c\/p\u003e\n\u003cp\u003eChoose an adjustable model when keeping fish that require a different temperature, conditioning fish for breeding, or following a treatment protocol that requires precise temperature control.\u003c\/p\u003e\n\u003ch3\u003eTemperature Monitoring Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCheck the aquarium thermometer daily\u003c\/li\u003e\n\u003cli\u003ePlace the thermometer away from the heater\u003c\/li\u003e\n\u003cli\u003eCheck both ends of large aquariums\u003c\/li\u003e\n\u003cli\u003eWatch for seasonal changes in room temperature\u003c\/li\u003e\n\u003cli\u003eMaintain steady water circulation\u003c\/li\u003e\n\u003cli\u003eInspect the heater after power outages\u003c\/li\u003e\n\u003cli\u003eReplace damaged or unreliable equipment immediately\u003c\/li\u003e\n\u003cli\u003eConsider a temperature alarm or controller for valuable livestock\u003c\/li\u003e\n\u003c\/ul\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 while still submerged.\u003c\/li\u003e\n\u003cli\u003eRemove the heater carefully.\u003c\/li\u003e\n\u003cli\u003eClean algae and mineral deposits with a soft cloth or sponge.\u003c\/li\u003e\n\u003cli\u003eInspect the glass, cord, plug, suction cups, and mounting bracket.\u003c\/li\u003e\n\u003cli\u003eRinse according to the manufacturer’s instructions.\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 scrapers, harsh household cleaners, or chemicals that could damage the glass or contaminate the aquarium.\u003c\/p\u003e\n\u003ch3\u003eElectrical Safety\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCreate a drip loop below the electrical outlet\u003c\/li\u003e\n\u003cli\u003eUse a GFCI-protected outlet whenever possible\u003c\/li\u003e\n\u003cli\u003eKeep the plug and electrical connection 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 cracked glass or a damaged cord\u003c\/li\u003e\n\u003cli\u003eNever pull or carry the heater by its power cord\u003c\/li\u003e\n\u003cli\u003eDo not cut, splice, or attempt to repair the electrical cord\u003c\/li\u003e\n\u003cli\u003eOperate the heater only while properly submerged\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eImportant Aquarium Heater Note\u003c\/h3\u003e\n\u003cp\u003eThe SICCE Scuba Preset 300W is rated for aquariums between approximately 65 and 90 gallons, but actual heating performance depends on room conditions and total system volume.\u003c\/p\u003e\n\u003cp\u003eThe heater is preset to approximately 77°F with a stated tolerance of ±2°F and cannot be manually adjusted.\u003c\/p\u003e\n\u003cp\u003eNo aquarium heater should be considered completely fail-proof. Use a separate thermometer, inspect the heater regularly, and unplug it before water changes or removal.\u003c\/p\u003e\n\u003cp\u003eDo not use this heater for livestock requiring a temperature substantially different from its preset operating range.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat size aquarium is the SICCE Scuba Preset 300W designed for?\u003c\/strong\u003e\u003cbr\u003eSICCE rates the 300W model for aquariums between approximately 65 and 90 US gallons.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it only rated for tanks up to 79 gallons?\u003c\/strong\u003e\u003cbr\u003eNo. SICCE’s current published range extends up to approximately 90 gallons, depending on aquarium and room conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat temperature is it preset to?\u003c\/strong\u003e\u003cbr\u003eIt is factory preset to approximately 77°F, or 25°C.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow accurate is the preset thermostat?\u003c\/strong\u003e\u003cbr\u003eSICCE lists a normal tolerance of approximately ±2°F, or ±1°C.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the temperature be adjusted?\u003c\/strong\u003e\u003cbr\u003eNo. This is a non-adjustable preset heater.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the glass shatterproof?\u003c\/strong\u003e\u003cbr\u003eNo glass heater should be described as completely shatterproof. SICCE describes it as high-thermal-density, shatter-resistant glass.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it have an electronic thermostat?\u003c\/strong\u003e\u003cbr\u003eYes. The heater automatically cycles on and off to maintain the preset temperature.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it have an indicator light?\u003c\/strong\u003e\u003cbr\u003eYes. The ON\/OFF light shows when the heater is actively heating.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it include overheat protection?\u003c\/strong\u003e\u003cbr\u003eYes. SICCE lists a thermal safety shutoff as a feature.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the heater need to be fully submerged?\u003c\/strong\u003e\u003cbr\u003eYes. It is designed as a fully submersible aquarium heater.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be mounted horizontally?\u003c\/strong\u003e\u003cbr\u003eIt may be positioned according to the manufacturer’s instructions as long as it remains fully submerged and water circulates freely around it.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used in freshwater aquariums?\u003c\/strong\u003e\u003cbr\u003eYes. It may be used in appropriate freshwater systems within its size and temperature range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used in saltwater aquariums?\u003c\/strong\u003e\u003cbr\u003eYes. It may be used in appropriately sized marine systems when approximately 77°F is suitable for the livestock.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it suitable for planted tanks?\u003c\/strong\u003e\u003cbr\u003eYes, provided the preset temperature is suitable for the plants and animals.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it safe for shrimp?\u003c\/strong\u003e\u003cbr\u003eIt may be used with shrimp species that tolerate approximately 77°F. Some shrimp prefer cooler water.\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 the heater be unplugged during water changes?\u003c\/strong\u003e\u003cbr\u003eYes. Unplug it before lowering the water level, cleaning the aquarium, or removing the heater.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long should it sit underwater before being plugged in?\u003c\/strong\u003e\u003cbr\u003eAllow it to acclimate underwater for approximately 15 minutes and follow the included SICCE instructions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long is the power cable?\u003c\/strong\u003e\u003cbr\u003eSICCE lists an approximately 6-foot cable for the Scuba Preset series.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWould two smaller heaters be better in a large aquarium?\u003c\/strong\u003e\u003cbr\u003eTwo properly sized heaters may provide more even heat distribution and some limited redundancy, but the correct arrangement depends on the aquarium’s volume, circulation, and room temperature.\u003c\/p\u003e\n\u003ch3\u003eAvailable at Tropical Treasures Wyo\u003c\/h3\u003e\n\u003cp\u003eThe SICCE Scuba Preset 300W Aquarium Heater provides straightforward electronic temperature control for freshwater and saltwater aquariums between approximately 65 and 90 gallons. It is preset to 77°F and features shatter-resistant glass, an ON\/OFF indicator light, thermal safety shutoff, and strong suction-cup mounting.\u003c\/p\u003e\n\u003cp\u003eVisit Tropical Treasures Wyo in Cheyenne, Wyoming, to shop SICCE aquarium heaters, thermometers, temperature controllers, filters, circulation pumps, replacement parts, and aquarium temperature-control supplies.\u003c\/p\u003e","brand":"Tropical Treasures Wyo LLC","offers":[{"title":"Default Title","offer_id":51748794335445,"sku":null,"price":44.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/4545\/8133\/files\/SI97862-2T.jpg?v=1785067426","url":"https:\/\/tropicaltreasureswyo.com\/products\/sicce-scuba-preset-300w-aquarium-heater","provider":"Tropical Treasures Wyo LLC","version":"1.0","type":"link"}