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Aqueon Submersible Aquatic Flat Heater Mini Up to 2.5 Gallons, Black, 5 Watts
Key item features
- Fully submersible
- Vertical or horizontal placement using suction cups that mount to the bottom or side wall of tank
- Quick and easy installation
- Shatterproof construction
- Can be used with glass or acrylic enclosures
- Note: Do NOT operate or leave product plugged in when it is outside of water
- 5 watt works best for up to 2.5 gallon fish tanks
Specs
- FeaturesSubmersible
- Watts5 W
- AccessoriesSuctions cups
- Height8 in
Reviews summary
Pros
- : Suitable for small tank sizes, including 1-3 gallons.
Neutral
- : Can maintain optimal temperature, but may heat slowly or inconsistently.
Generated by AI
Current price is USD$17.14
Price when purchased online
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Columbus, 43215
Arrives by Mon, Feb 9
Sold and shipped by Walmart.com
Free 90-day returns
This item is gift eligible
About this item
Product details
Aquatic 5 Watt Flat Heaters provide warmth for small tropical fish and are designed for glass or acrylic desktop aquariums up to 2.5 gallons. They are completely submersible, easy to install and efficiently warm aquarium water. Suctions cups are included so you can mount the heater to the bottom or side wall of the aquarium. Be sure to choose the appropriate size for your aquarium. Do not operate or leave product plugged in when it is outside of water. Aqueon products offers a wide range of items so that you can build and maintain a healthy aquatic environment. All the essentials from fish tanks, filters, lighting, food, care, and other supplies that your pet fish needs. We make it easy for you to get your first aquarium and to grow in the hobby as you become more of a fish expert with every step you take and every new thing you learn. For those seasoned hobbyists, we are committed to aquarium product innovation so that we continue to offer products that get you excited. With the Aqueon brand, it's all about the fish.
- Fully submersible
- Vertical or horizontal placement using suction cups that mount to the bottom or side wall of tank
- Quick and easy installation
- Shatterproof construction
- Can be used with glass or acrylic enclosures
- Note: Do NOT operate or leave product plugged in when it is outside of water
- 5 watt works best for up to 2.5 gallon fish tanks
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it. Â
Specifications
Features
Submersible
Watts
5 W
Accessories
Suctions cups
Height
8 in
Directions
Instructions
Suctions cups are included so you can mount the heater to the bottom or side wall of the aquarium. Can be used with glass or acrylic enclosures. 5 watt best with up to 2.5 gallon aquariums.
Warranty
Warranty information
90 Days
Warnings
State Chemical Disclosure
None
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Items may be delivered on different dates
Customer ratings & reviews
How item rating is calculated
Reviews summary
Pros
- : Suitable for small tank sizes, including 1-3 gallons.
Neutral
- : Can maintain optimal temperature, but may heat slowly or inconsistently.
Generated by AI
Customer images






+1 image
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Showing 1-3 of 65 reviews
Nov 18, 2025
Mariana
Item details
Size: 5 watt
5 out of 5 stars review
Verified Purchase
Perfect
Literally the only product I will get for my 2.5 gallon betta tank
Helpful?25JB7WF637FU916961950
Jul 5, 2025
Blanca
Item details
Size: 5 watt
5 out of 5 stars review
Verified Purchase
I love 💕 that I was able to find a small filter for my Betta to make his water 💦 comfy
Helpful?25JB7WF637FU916961950
May 5, 2020
TAMB23
5 out of 5 stars review
Verified Purchase
This has been in our beta tank for about a week now. It keeps the water consistent between 78-80 degrees. It small which is great for our 2 gallon tank.
Helpful?25JB7WF637FU916961950
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