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- FREESEA Aquarium Heater for Fish Tank: 100W20...
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Item #:
100116259
FREESEA Aquarium Heater for Fish Tank: 100W200W300W500W Submersible Fish Tank Heaters with Over-Temperature and Off-Water Protection for 10-20 Gallon
86% of respondents would recommend this to a friend
Item #:
100116259
USD 30
Price Details
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What Stands Out
Temperature Control
Equipped with precise temperature control, the FREESEA heater ensures optimal warmth for your aquatic pets, preventing drastic temperature changes and creating a healthy environment for both saltwater and freshwater fish.
Safety Features
With built-in over-temperature and off-water protection, this heater safeguards against potential hazards, giving peace of mind to users and ensuring the safety of the fish in their tanks.
Versatile Capacity
Available in multiple wattage options, the FREESEA heater caters to varying tank sizes (20-500 gallons), making it a flexible choice for any aquarium enthusiast looking to maintain a stable water temperature.
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?
-
Aquarium Enthusiasts
Ideal for hobbyists maintaining freshwater or saltwater tanks up to 40 gallons, ensuring consistent temperature control.
-
New Fish Owners
Great for beginners looking for an affordable heating solution that includes safety features to protect fish.
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Controlled Environments
Perfect for those needing stable conditions in their aquarium, particularly in varying ambient temperature environments.
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Large Aquariums
Not suitable for tanks larger than 40 gallons; users will need more powerful heaters.
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 compatible with this heater?
Answer: This heater is ideal for 20 to 40-gallon aquariums. -
Question:
How does the overheating protection work?
Answer: The heater automatically shuts off when the water temperature exceeds the preset level or if exposed to air. -
Question:
Is there a warranty or customer support available?
Answer: Yes, we offer 24-hour professional after-sales service for any questions or concerns.
FREESEA Aquarium Heaters FS-100E Editorial Review
The FREESEA Aquarium Heater has garnered a favorable reception among customers, particularly for its reliable performance, user-friendly features, and good value. Users appreciate the digital adjustment capabilities, allowing for precise temperature control. Many reviewers highlighted the accuracy of the thermostat, noting that it helps maintain a Consistent temperature, which is crucial for the health of aquatic pets such as betta fish and turtles. The added thermometer bank feature enhances convenience, enabling easy tuning of the heater settings. While most feedback points to a high-quality build and effectiveness in heating, some users reported issues with the suction cups used for mounting the heater, indicating they do not hold as strongly as expected. Additionally, there was a mention of an experience where a customer struggled with setting it up for an outdoor pond due to a lack of instructions. Overall, the heater is seen as a solid choice for both freshwater and saltwater tanks, praised for its balance of performance, ease of use, and affordability. Its capability to keep the water temperature stable certainly adds to its acclaim, making it a recommended option for new and experienced aquarists alike. **
Customer Reviews & Ratings
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Pros
- Accurate and easy-to-use digital thermostat
- Maintains Consistent temperature
- Good value for price
- High-quality build
- Convenient thermometer bank feature
Cons
- Suction cups do not hold well
Platform Trust & Buyer Confidence
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Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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10 September 2026 · via Trustpilot
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10 September 2026 · via Trustpilot
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Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 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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USD 30
Order now and get it around Sunday, September 27
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Features & Benefits
- Ideal for 20 to 40-gallon aquariums, both saltwater and freshwater.
- Features automatic shut-off for overheating and off-water protection.
- Digital LED controller with adjustable temperature range from 64℉ to 95℉.
- Made from explosion-proof quartz glass for durability and heat efficiency.
- Easy monitoring with a user-friendly LED display for temperature settings.
- Includes 24-hour professional after-sales service for customer support.
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