CosyHome Automatic Submersible Aquarium Water Heater: Automatic temperature control
It looks like a prop from a sci-fi movie, but its job is pure, practical magic: keeping your fish from turning into fish-sicles. The Automatic Submersible Aquarium Water Heater is the unsung hero of any tank, tirelessly maintaining that Goldilocks zone of temperature—not too hot, not too cold—for everything from guppies to saltwater stars. This little gadget is fully submersible, so it tucks away out of sight, and its compact build means it won't dominate even a modest setup. Whether you're a newbie just dipping toes into aquascaping or a seasoned pro with a reef empire, this heater mimics natural habitats to keep your aquatic pals active and thriving. Pro tip: stick it near a filter or pump to spread warmth evenly, and pair it with a trusty thermometer for peace of mind. Built with safety smarts to dodge overheating disasters, it's the reliable workhorse your underwater world deserves, whether it's humming away in your living room or adding zen to your office desk.
Features
- Submersible design for easy installation
- Energy-efficient 100W operation
- Durable and safe construction
- Automatic temperature control
General specs
- Brand: CosyHome
- Seller: Joom
- ID: 683597e8462ed2013ada981c
- Power: 100W
- Type: Submersible, Automatic
- Application: Aquarium water heating
- Installation: Fully submersible
- First listed by seller: 8/29/25
If you are interested in more details, you can find full information on the seller's page.
View on seller's site
#publicidad
$15.21
Last price update: 12/6/25
Out of stock
Price History for seller Joom
Shipping options
Delivery to 
United States
United States
Unavailable
Comparison with similar products
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Automatic Submersible Aquarium Water Heater Automatic temperature control
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Submersible Aquarium Heater Premium Safety & Durability
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| Brand | CosyHome | Orlushy | HiTauing | HITOP | hygger | HANLESHUKA |
| Model | AP-02 | HG-043 | ||||
| Color | ||||||
| Rating |
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| Price | $15.21 | $21.99 | $38.20 | $12.72 | $51.99 | $24.99 |
| Seller | Joom | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | December 6, 2025 | December 6, 2025 | December 6, 2025 | December 6, 2025 | December 6, 2025 | December 6, 2025 |
| Material | Glass | Thickened Quartz Glass | Quartz, Nickel complex, Plastic | |||
| Temperature Range | 63°F~94°F/17℃-34℃ | 68 ~ 93 °F | 59°F to 93°F (15°C - 34°C) | |||
Automatic Submersible Aquarium Water Heater
$15.21
