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Item #:
97643150
FREESEA Aquarium Heater for Fish Tank: 100W200W300W500W Submersible Fish Tank Heaters with Over-Temperature and Off-Water Protection for 10-20 Gallon
Item #:
97643150
PHP 1883
Price Details
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This 500W aquarium heater offers multi-layer protection to ensure you never have to worry about boiled fish!
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What Stands Out
Versatile Wattage Options
Available in multiple wattages (100W-500W), the FREESEA heater caters to various tank sizes, ensuring optimal temperature for both freshwater and saltwater aquariums up to 120 gallons.
Safety Features
Equipped with over-temperature and off-water protection, this heater provides peace of mind by preventing accidents and ensuring the safety of aquatic life in your tank.
Submersible Design
Designed for full submersion, the FREESEA heater is easy to install and operate, making it a reliable choice for aquarium enthusiasts seeking efficiency and convenience.
Product Details
| Item Weight | 14.9 ounces (422.42 grams) |
| Manufacturer | FREESEA |
| Item model number | FS-100E |
| Date First Available | October 14, 2024 |
| Item Package Dimensions L x W x H | 9.02 x 4.25 x 2.01 inches (22.9 x 10.8 x 5.1 cm) |
| Item Dimensions LxWxH | 8.3 x 1.6 x 1.2 inches (21.1 x 4.1 x 3 cm) |
| Brand Name | FREESEA |
| Target Audience Keyword | Fish |
| Directions | Adults 18 years and older. |
| Model Name | FS-100E |
| Color | Black |
| Size | 100W(10-20gallon) |
| Number of Items | 1 |
| Included Components | 1 Thermometer Sticker, 2 suction cups, Digital Display Controller |
| Specific Uses for Product | heating fish tank |
Who Should Buy?
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New Aquarium Owners
Ideal for beginners needing an effective heating solution for their first freshwater or saltwater tanks.
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Large Tanks
Suitable for users with large 75-120 gallon tanks, ensuring consistent temperature throughout the water.
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Versatile Usability
Fish enthusiasts maintaining different species will appreciate its compatibility with both saltwater and freshwater setups.
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Small Tanks
Not suitable for aquariums smaller than 75 gallons due to its power sizing, potentially overheating smaller volumes.
Product Description
FREESEA Aquarium Heater for Fish Tank: 100W200W300W500W Submersible Fish Tank Heaters with Over-Temperature and Off-Water Protection for 10-20 Gallon Saltwater and Freshwater
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Customer Questions & Answers
-
Question:
What size aquarium is this heater suitable for?
Answer: The heater is ideal for 75 to 120-gallon saltwater or freshwater aquariums. -
Question:
How can I adjust the temperature?
Answer: You can easily adjust the temperature using the external digital LED controller without touching the water. -
Question:
What safety features does this heater have?
Answer: The heater has overheating protection, off-water protection, and an explosion-proof design for safety.
FREESEA Aquarium Heaters FS-100E Editorial Review
The FREESEA Aquarium Heater has garnered a positive reception from users looking for a dependable solution to maintain the desired temperature in both aquariums and outdoor ponds. Many customers have noted its effectiveness and reliability, especially in colder conditions where maintaining stable water temperature is crucial. Users have praised the heater for its user-friendly design and ease of installation. The digital display is particularly appreciated for providing clear readings of both current and desired temperatures, making it easy to adjust settings as needed. Additionally, the build quality has received commendations, with many highlighting the robust nature of the heater's Construction, ensuring longevity and safety for aquatic life. Several reviews mentioned the heater's functionality in various setups—ranging from freshwater to saltwater tanks, and even hydroponic systems—demonstrating its versatility across different environments. The emergency power cut-off feature has also been highlighted as a critical safety element, preventing damage in cases of accidental exposure to air. However, some users experienced challenges when trying to achieve and maintain their target temperatures, particularly in extreme cold conditions, which limits the heater's effectiveness in very low ambient temperatures. While most reviews are overwhelmingly positive, there are some mentions of issues with the suction cups losing their grip over time. In summary, the FREESEA Aquarium Heater stands out for its reliable performance, great build quality, and user-centric design, making it an excellent option for both novice and experienced fish keepers looking for a solid heating solution for their aquatic setups. **
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Pros
- Effective temperature maintenance in cold conditions
- User-friendly digital display
- Robust build quality and design
- Safety features like over-temperature and off-water protection
- Versatile for varied aquatic environments (freshwater, saltwater, hydroponics)
Cons
- May struggle to maintain desired temperatures in extremely low ambient temperatures
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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Chitra
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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kund
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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Onesi
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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SAO JOHN
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“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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PHP 1883
Order now and get it around Sunday, August 30
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Features & Benefits
- Ideal for 75 to 120-gallon aquariums.
- Automatic shut-off feature prevents overheating.
- User-friendly digital LED controller for easy adjustments.
- Temperature range of 64℉ to 95℉ with ±1°F accuracy.
- Made from explosion-proof quartz glass for durability.
- Enhanced safety with superior heat-resistant materials.
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