Description
xOverview
Meet the Dreyoo 2-Pack Submersible Aquarium Heater. Designed for mid-to-large tanks, each 11-inch heater delivers dependable warmth in 40–55 gallon setups. The 300W rating provides ample headroom for tropical freshwater environments and many marine aquariums, while the two-pack format gives you a spare or the option to heat a larger system with consistent results.
With a focus on practical, in-tank performance, these heaters blend into the background behind décor while supplying steady warmth where your fish and plant life need it most. This isn’t a guarantee, but it’s a setup that aims to support a stable water climate when used as intended.
What’s included
- 2 x 300W submersible aquarium heaters
- 4 aquarium thermometer stickers
- Several suction cups and a 5 ft power cord (110–120V)
Smart temperature control
Each heater offers a precise temperature range from 68 to 93 °F, enabling control within about a 1-degree margin. A red indicator light shows when heating is active, and the unit automatically shuts off when the target temperature is reached, helping to maintain a stable environment for aquatic life.
Easy-to-read temperature readouts
The included thermometer stickers cover 39–97 °F (4–36 °C). They use color indication to show current readings at a glance, so you can monitor water warmth without extra tools.
Durable, versatile design
Constructed with 2 mm thickened quartz glass, the heaters are designed for both freshwater and saltwater use. They’re slim enough to hide behind décor, yet rugged enough to withstand regular aquarium use.
How to use
- Adjust the temperature first, then attach suction cups and fully submerge the heater.
- Plug in and monitor the red heating indicator; the unit will auto-shut off when temperature is reached.
- To clean, power off and allow the heater to cool before removal.
Real-world scenarios
- Ideal for 40–55 gallon freshwater tanks and many marine setups.
- Hidden behind décor to maintain a clean, uncluttered tank appearance.
- Two-unit setup offers flexibility for varying tank layouts or redundancy.
Care and safety notes
Always ensure the heater is fully immersed before operation and properly secured with suction cups. Use the temperature readings as a guide and avoid abrupt changes that could stress aquatic residents.
FAQ
Q: What tank size is the Dreyoo 300W heater best for?
A: Best for 40–55 gallon aquariums; adjust quantity for other sizes as needed.
Q: How do I install and maintain the heater?
A: Fully submerge, set the temperature first, secure with suction cups, plug in, and unplug before cleaning.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
- Choosing a selection results in a full page refresh.
