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fishkeeper 800W Adjustable Submersible Aquarium Heater, 40-220 Gallon
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fishkeeper 800W Adjustable Submersible Aquarium Heater, 40-220 Gallon
No more worrying about it will 'cook' your love fish!
fishkeeper 800W Adjustable Submersible Aquarium Heater, 40-220 Gallon
Item #: 221871450

fishkeeper 800W Adjustable Submersible Aquarium Heater, 40-220 Gallon

Item #: 221871450

XCD 154

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What Stands Out

Adjustable Temperature
Effortlessly set your desired water temperature with precision control, ensuring optimal conditions for fish and aquatic life. This flexibility accommodates various species, enhancing their health and longevity.
Wide Capacity Range
Designed for aquariums from 40 to 220 gallons, this heater adapts to both small and large tanks, providing consistent warmth and reliable performance across diverse aquatic environments.
Safety Features
Equipped with overheat protection and shatterproof glass, this heater guarantees safety for both your aquarium and its inhabitants, giving you peace of mind while maintaining a thriving ecosystem.

Product Details

Shop fishkeeper 800W Adjustable Submersible Aquarium Heater, 40-220 Gallon online at a best price in Montserrat. B0FFMT6PKQ
Item Weight1.5 pounds (680 grams)
Manufacturerfishkeeper
Item model numberFK016-800W
Date First AvailableJuly 31, 2025
Item Package Dimensions L x W x H12.8 x 5.79 x 2.44 inches (32.5 x 14.7 x 6.2 cm)
Item Dimensions LxWxH11.6 x 2.16 x 2.18 inches (29.5 x 5.5 x 5.5 cm)
Brand Namefishkeeper
Target Audience KeywordFish, Turtle
ColorBlack
Size800Watt for 80~220 gallon
Included Components500W Aquarium Heater; 4 Suction Cups
Specific Uses for ProductSubmersible water heater for fish tank turtle tank

Who Should Buy?

Suitable For
  • Large Aquariums

    Ideal for maintaining temperatures in sizable tanks from 40 to 220 gallons, ensuring fish health and comfort.

  • Temperature Precision

    Perfect for users keen on precise temperature settings, enabling customized environments for different aquatic species.

  • Aquarium Enthusiasts

    Great for hobbyists who want reliable heating solutions for their aquariums to support diverse aquatic life.

Not Suitable For
  • Small Tanks

    Not suitable for small aquariums under 40 gallons, leading to potential overheating and harm to aquatic inhabitants.

Product Description

fishkeeper 800W Adjustable Submersible Aquarium Heater, 40-220 Gallon

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the purpose of the Fishkeeper Adjustable Submersible Aquarium Heater?

    Answer: The Fishkeeper Adjustable Submersible Aquarium Heater is designed to maintain optimal water temperature in your aquarium, which is crucial for the health and well-being of your fish and aquatic plants. It utilizes a PID electronic thermostat that ensures precise temperature control and uniform heat distribution. This prevents overheating and ensures that aquatic life thrives. Ideal for tropical fish enthusiasts, maintaining a consistent temperature can enhance fish activity, facilitate breeding, and support overall ecosystem balance.
  • Question: How do I install the Fishkeeper aquarium heater?

    Answer: Installing the Fishkeeper aquarium heater is straightforward. Begin by placing the heater vertically or horizontally in the water, ensuring it is fully submerged according to the manufacturer's instructions. Next, set your desired temperature using the adjustable dial or digital interface. It's essential to allow the heater to acclimate before switching it on, and verify it's functioning properly with a thermometer. This setup can create a stable environment for your aquatic life right from the start.
  • Question: Is the Fishkeeper heater suitable for large aquariums?

    Answer: Yes, the Fishkeeper heater is suitable for varying aquarium sizes with its adjustable wattage options of 300W, 500W, and 800W. The right wattage will depend on the volume of your tank and the ambient room temperature. Generally, a rule of thumb is to use 5 watts per gallon of water. For large tanks, the Fishkeeper will efficiently maintain warmth, providing a cozy habitat for fish and plants. This adaptability helps ensure a consistent temperature across large volumes of water.
  • Question: What features differentiate the Fishkeeper heater from other aquarium heaters?

    Answer: The Fishkeeper heater stands out due to its PID electronic smart thermostat, which offers superior temperature accuracy and stability compared to traditional heaters. It reduces fluctuations and has an automatic shut-off feature to prevent overheating. Additionally, its durable build and adjustable wattage cater to various fish tank sizes, making it versatile. This level of precision and adaptability ensures your aquatic environment is safe and conducive to healthy fishkeeping.
  • Question: Can I use the Fishkeeper heater in saltwater aquariums?

    Answer: Yes, the Fishkeeper heater is suitable for both freshwater and saltwater aquariums. Its robust construction is designed to withstand the unique challenges of saltwater environments, including potential corrosive effects. This makes it an excellent choice for saltwater fish keepers who require consistent water temperatures for their marine life. Always monitor water conditions and heater functionality to ensure the health of coral and fish species alike.
  • Question: How does the PID thermostat benefit my aquarium?

    Answer: The PID (Proportional-Integral-Derivative) thermostat emits precise temperature control by continuously adjusting the heater’s output based on the water temperature reading. This ensures minimal fluctuation, which is essential for maintaining a stable and healthy aquarium environment. In practice, this translates to less stress for fish, improved growth rates, and enhancing the longevity of both fish and plants. A stable temperature encourages a thriving aquatic ecosystem.
  • Question: What safety features does the Fishkeeper heater offer?

    Answer: The Fishkeeper aquarium heater comes equipped with several safety features, including an automatic shut-off to prevent overheating and a durable casing that reduces the risk of breakage. It is also designed to be fully submersible. These features empower fish keepers with peace of mind, ensuring that your aquatic environment remains safe. This focus on safety is paramount in preventing accidents that can harm your fish or disrupt the tank environment.
  • Question: Can the Fishkeeper heater be used with LED lit aquascapes?

    Answer: Absolutely! The Fishkeeper heater is compatible with LED-lit aquascapes since it operates without emitting additional light that could interfere with illumination. The combination of precise heating with effective lighting can enhance the visual appeal of your aquarium while ensuring that aquatic plants thrive under optimal conditions. This makes it an ideal choice for aquascapers looking to create stunning underwater landscapes.
  • Question: Does the Fishkeeper heater require any special maintenance?

    Answer: While the Fishkeeper heater requires minimal maintenance, regular monitoring is key to its effective operation. Check the heating element for calcium buildup, and replace the heater if you notice any sign of damage or irregular heating. Testing water temperature frequently ensures that it is functioning correctly. Keeping your aquarium water clean and well-circulated also supports the heater’s performance. These steps will maximize its lifespan and efficiency.
  • Question: Where can I buy Fishkeeper 300W/500W/800W Adjustable Submersible Aquarium Heater?

    Answer: You can buy the Fishkeeper 300W/500W/800W Adjustable Submersible Aquarium Heater from Ubuy in Montserrat. Ubuy offers a reliable shopping experience and a wide range of aquatic products, ensuring you’ll find everything you need for your aquarium setup.

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Features & Benefits

  • Accurate temperature control within ±1℉ for optimal fish safety.
  • Advanced safety features including run-dry and overheat protection.
  • Rapid heating with intelligent power adjustment for efficiency.
  • Explosion-proof quartz glass design ensures safety and durability.
  • Available in multiple wattages to suit different tank sizes.
  • Thorough testing guarantees high performance before dispatch.

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