CosyHome Automatic Submersible Aquarium Water Heater: Automatic temperature control
Available Options
1 piece
Joom
$11.92
Available to order
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.
- Submersible design for easy installation
- Energy-efficient 100W operation
- Durable and safe construction
- Automatic temperature control
General specs
- Brand: CosyHome
- Seller: Joom
- 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
$11.92
Last price update: 9/1/25
Available to order
Shipping options
Delivery to 
Russia
Russia
Available
Comparison with similar products
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Automatic Submersible Aquarium Water Heater Automatic temperature control
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Automatic Aquarium Heater Automatic temperature control
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| Brand | CosyHome | Fishine | Health & Beauty PRODUCT | Health & Beauty PRODUCT | Vestidos | Honor Electronics |
| Model | ||||||
| Color | ||||||
| Rating |
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| Price | $11.92 | $10.69 | $10.92 | $32.83 | $63.94 | $10.69 |
| Seller | Joom | Joom | Joom | Joom | Joom | Joom |
| Update | August 30, 2025 | August 30, 2025 | August 30, 2025 | August 30, 2025 | August 30, 2025 | August 30, 2025 |
| Material | Glass | Glass | Glass | |||
| Temperature Control | Automatic | Automatic | Automatic | Automatic | ||
Automatic Submersible Aquarium Water Heater
$11.92
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Emma R.
Philadelphia, PA
September 6, 2025
As a mom with kids who love our aquarium, I did a lot of research before buying this, and it's been a solid choice for keeping our fish happy. It's easy to set up and use, and I appreciate that it's safe and reliable. Most likely, it's a good value for the price, but I wish it was a bit sturdier. Overall, it does the job well and makes our tank a cozy place for our aquatic friends :)
- Pros: I love how this heater keeps the water just right for my fish, like they're in their natural home. It's small and hides away easily, so it doesn't mess up the look of my tank. The safety features give me peace of mind, and it works well with my filter to spread the warmth evenly.
- Cons: I expected more from it in terms of durability; it feels a bit flimsy and might not last too long. Also, it doesn't heat as quickly as I'd like, especially when the room gets cold.