Dreyoo 2 Set Aquarium Fish Tank Heater

Curated from 97 real Reddit conversations

Refreshed on: March 31, 2025

Dreyoo 2 Set Aquarium Fish Tank Heater

Brand: Dreyoo
Price: $23
Snoop Score:
6.0
Sentiment
6.7
Popularity
7.3
Technical
5.2

Snoop's Take

The Dreyoo 2 Set Aquarium Fish Tank Heater is a submersible heater designed for aquariums ranging from 40 to 55 gallons. This heater comes with adjustable temperature controls and features a built-in thermostat to maintain an even water temperature, ensuring a comfortable environment for aquatic life. Consumer feedback highlights the effectiveness of the heater in maintaining a consistent temperature, with one user noting, "Keeps the whole tank an even temp." Many users have also praised its reliability, with comments like, "Solid reliable brand & you have the correct tank size for that product." However, some concerns about safety when placing the heater have been raised, emphasizing the importance of proper usage to avoid issues. Overall, the Dreyoo Aquarium Heater is recommended for its category, as it meets user expectations for performance and reliability while providing essential features for maintaining optimal water conditions.

Not for you? Check out our other rated Aquarium Heaters

Keeps the whole tank an even temp.

Positive Feedback

I accidently forgot to turn mine off once when it was vertical during a water change, the water level got too low and the heater started smoking!

Negative Feedback
Product
6.0
Dreyoo 2 Set Aquarium Fish Tank Heater
Freshwater Aquariums
10 / 10
Saltwater Aquariums
10 / 10
Marine Life Habitats
10 / 10
Small to Medium Tanks
10 / 10
See how this compares to all Aquarium Heaters

What it does well!

Key strengths users can’t stop talking about.
Heater maintains even temperature
Keeps the whole tank an even temp.
I concur, that way you can get the best heat dispersal.
PSA: All PEX fittings in an RV should be brass, not plastic. Some RVs, including mine, use plastic f
Unpopular opinion but I disagree that brass is better than SOME plastic. Brass fittings in hard wate
Easy to monitor heat distribution
Yep this is the way to go.
Agreed.
I've been using a heated bird bath in the winter. Am I harming my birds somehow? I don't see anyon
I legit just ordered one tonight after the first below freezing day today.
Solid reliable brand
Solid reliable brand & you have the correct tank size for that product.
I have used Tetra heaters for years and I have never had one fail me.

Where it needs some work!

Areas to watch—feedback on possible improvements.
Safety concerns with heater placement
I accidently forgot to turn mine off once when it was vertical during a water change, the water level got too low and the heater started smoking!
Amazon seems to only sell dangerous Chinese garbage now.
The heater keeps it just above freezing and I have never had it freeze solid.
adding to this… (plumbing designer here)… an electric instantaneous while convenient is not a good

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Hidden Hero Hacks

Unexpected tricks and side‑door uses you’ll love.
Discussion on optimal heater placement
Where should I place the water heater? No text content
I’d put it upright next to the intake and output so it spreads the heat.
Better distribution of heat and you don’t have to worry about unplugging during tank maintenance.
What do you recommend for a heater for a 20 gal? I got the aquarium kit from PetSmart but have read

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