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🐠 zoo med bettatherm: powerful 7.5 watt submersible betta bowl heater for optimal comfort logo

🐠 Zoo Med BettaTherm: Powerful 7.5 Watt Submersible Betta Bowl Heater for Optimal Comfort Review

7

Β·

Poor

Revainrating 2.5 out of 5Β Β 
RatingΒ 
2.4
🐟 Aquarium Heaters & Chillers, 🐠 Fish & Aquatic Pets

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Description of 🐠 Zoo Med BettaTherm: Powerful 7.5 Watt Submersible Betta Bowl Heater for Optimal Comfort

Completely Submersible Mini Size Betta Bowl Heater. Now with Thermal Shut Off at 26 degrees Celcius. Increases water temperature 5 to 10 degrees Fahrenheit over ambient room temperature. Fits most fish or Betta bowls. Can be used on both glass and acrylic tanks.

Reviews

Global ratings 7
  • 5
    1
  • 4
    1
  • 3
    1
  • 2
    1
  • 1
    3

Type of review

Revainrating 3 out of 5

DOES NOT heat the tank.

Do not buy this heater - does not work or barely raises the water in the tank by a degree. My older and smaller 2.5 puts out 10 times more heat. Very disappointed.

Pros
  • Weight
Cons
  • Something else

Revainrating 2 out of 5

Works well with limitations

Works well at about 10 degrees above room temperature, must have a thermometer and use with caution in very cold or hot environments. Cannot adjust the water temperature

Pros
  • Absolute legend
Cons
  • No automatic mode

Revainrating 5 out of 5

Ehh not bad for a small tank.

Works well I'm sure when the room is warm. My little tank certainly didn't get hot. The fish still hugged the heater to keep warm in winter. Wouldn't buy again

Pros
  • Great design
Cons
  • Hard to say

Revainrating 1 out of 5

Aquarium heater and cooler are very disappointing

I should have paid more attention to the previous reviews. I was hopeful because I was looking for something small for a 1 gallon aquarium. The first heater did not work at all, I had to wait over a week for the second heater to be sent. The second heater was only able to heat 1 gallon of water 3Β° above room temperature after waiting 36 hours to see if it would work. Unacceptable

Pros
  • Stylish and modern design
Cons
  • Crumpled

Revainrating 1 out of 5

Can I give zero stars?

I tried 2 of these little heaters. They didn't hold up well at the bottom of the bowl and would destroy the gravel if the string got tangled. And they gave no heat. No one. I have a tiny half gallon bowl and for several hours without the heaters there wasn't even the slightest change in temperature. Neither the "fits well in the bowl" feature nor the actual main function of this thing worked. Don't buy this. Your fish stays cold.

Pros
  • Delivery was very fast
Cons
  • Nothing here

Revainrating 1 out of 5

Do not worry. That does not work!

I bought this for a 1 gallon battle tank. I didn't put it under the sand straight into the water before putting the fish in because I wanted to see if it even worked. And of course it didn't warm my water one degree! I do not understand it. You are not working. Since then I have a bigger tank and a better heater. Smaller 1 to 10 gallon heaters claim to work, but they don't seem to work. And actually seeing your rooster swimming in a large aquarium is sooooo worth the money I promise. At least a

Pros
  • Quality construction
Cons
  • Requires outlet