DaToo DT-25A Mini Aquarium Heater: Precise and constant temperature
Keeping your underwater buddies cozy just got easier with the DaToo MINI 25W Aquarium Heater. Seriously, it's the tiniest heater out there—perfect for those snug 1 to 6 gallon tanks. It's like having a personal thermostat for your fish, locking in that sweet spot of 78°F, which bettas and most tropical fish absolutely love. And because it's so compact (we're talking just 0.2 inches long), it'll fit anywhere. Plus, with its rubber sealing and quartz glass build, it's tough enough to handle whatever your aquarium throws at it.
Now, let's talk features—because this little gadget packs a punch. First off, it keeps the temperature steady at 78°F without you lifting a finger. It's the smallest 25W heater you'll find, making it a no-brainer for small tanks. Safety? Covered, thanks to that rubber sealing layer and the explosion-proof, crack-proof quartz glass. And because we know you like to keep an eye on things, it comes with a free sticker thermometer. Handy, right?
Just a heads-up: this heater needs to stay underwater while it's doing its thing. Oh, and it plays nice with both glass and acrylic tanks—so no worries there.
Features
- Smallest 25W heater on market
- Safe rubber sealing layer
- Quartz glass material
- Free sticker thermometer included
- Precise and constant temperature
General specs
- Brand: DaToo
- Model: DT-25A
- Seller: Amazon
- ID: B0893T67LX
- Power: 25Watt
- Voltage: 110V~120V/50~60Hz
- Heater Size: 4.9*0.9*0.9inch
- Power cord: 3.9ft
- Application: 1 to 6 gallon aquarium
- First listed by seller: 4/30/25
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
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Price History for seller Amazon
| Date | Price |
|---|---|
| 5/12/25 | $6.69 |
| 4/30/25 | $6.58 |
Shipping options
Russia
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
DaToo DT-25A Precise and constant temperature
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Aquarium Heater Adjustable temperature
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Submersible Aquarium Heater Premium Safety & Durability
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Aquarium Heater Explosion-proof design
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HiTauing AP-02 Rapid Heating and Two Temperature Control System
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| Brand | DaToo | Honor Electronics | Sewing | HANLESHUKA | TOMTOP JMS | HiTauing |
| Model | DT-25A | AP-02 | ||||
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| Price | $6.69 | $16.17 | $16.44 | $26.99 | $47.03 | $38.20 |
| Seller | Amazon | Joom | Joom | Amazon | Joom | Amazon |
| Update | November 20, 2025 | November 18, 2025 | November 18, 2025 | November 9, 2025 | November 20, 2025 | November 9, 2025 |
Mini Aquarium Heater
Reviews
Sofia Ferreira
April 30, 2025
Sapphire
April 30, 2025
Samuel Lefèvre
April 30, 2025
Ewa Gallo
April 30, 2025
Émilie Nowak
April 30, 2025
Laura Smith
April 30, 2025
Francesco Moreau
April 30, 2025