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🐠 bnzaq submersible fish tank aquarium heater - adjustable temperature thermostat heater, 25w/50w/100w/150w/200w/300w logo

🐠 Bnzaq Submersible Fish Tank Aquarium Heater - Adjustable Temperature Thermostat Heater, 25W/50W/100W/150W/200W/300W Review

8

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Very good

Revainrating 4 out of 5  
Rating 
4.0
🐟 Aquarium Heaters & Chillers, 🐠 Fish & Aquatic Pets

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Description of 🐠 Bnzaq Submersible Fish Tank Aquarium Heater - Adjustable Temperature Thermostat Heater, 25W/50W/100W/150W/200W/300W

[PREMIUM SHATTERPROOF GLASS]Made of shatterproof glass and BPA-free plastic.Bnzaq aquarium heaters are fully submersible and safe for fish without any toxic substance producing.3 FREE artificial aquarium plants as ornament in your tank. [NO LONGER CHILL YOUR FISH]Automatically regulate and maintain water temperature,imitate the original ecological environment for your tropical fish.Provided fish with warm water environment.Perfect to apply to fresh and salt water. [ADJUSTABLE TEMPERATURE]Temperature range: 68°F~93°F.50W heater:suitable for fish tank in 7~15 gallons,Length:7.8".Easy to adjust temperature by the aquarium heater that suit more species of fish. [AUTOMATIC CONSTANT TEMPERATURE]When water temperature reaches set value,the indicator light will be OFF and the heater will automatically stop heating.The heater will automatically start heating and indicator light will be ON if water temperature is low.You could place heater horizontally or vertically. [ATTENTION]Please place the heater near place (filter or pump) of water flowing to keep more even water temperature.Unplug the heater 30 minutes early when changing the water for the fish tank.

Reviews

Global ratings 8
  • 5
    4
  • 4
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  • 3
    1
  • 2
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  • 1
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Type of review

Revainrating 5 out of 5

It's temporary settings for money!

I finally found a company that sells A+ grade heaters with a cord long enough to reach the plug! I set it to 78 degrees and when it was off I checked the temperature of the tank with a thermometer and it was exactly 78 degrees! Now I get 300 watts for my big tank.

Pros
  • Impressive
Cons
  • Expensive

Revainrating 5 out of 5

A must have for your beta tank!

I got a beta aquarium with a plant on it, couldn't figure out why my bed just wasn't floating around, kind of sluggish until I spoke to her friend who suggested I buy a heater for my fish tank and suggested this one, i put it in the fish tank and my beta is swimming around all over the place, best buy now, highly recommend!

Pros
  • Easy to use
Cons
  • Hard to say

Revainrating 5 out of 5

Great price, great product, happy Betta!

Excellent tank heater! My Betta is so happy now! I set it to 75F and could probably be warmer as he likes to hide next to him and run out when I visit him. :) I used to worry about this, but now I know it won't be freezing in Maine this winter. It actually saves me money because, and I know it's silly and crazy, we didn't lower the temp to the usual 64 degrees at night to keep our little fish warm. So anyway! Very satisfied!

Pros
  • Satisfied so far
Cons
  • Security

Revainrating 4 out of 5

Turn off heater during water change

This heater broke in two after just a month. I was initially disappointed with the quality of the product, but did a little research and found that glass heaters often break when they're on and the water level drops below a certain level (e.g. when changing the water). So that's my fault, although it would be nice to have that direction included in the heater. That aside, it worked fine when I had it and I'm glad it broke into two easy-to-extract pieces rather than complete.

Pros
  • Great for me
Cons
  • Appearance

Revainrating 4 out of 5

If you have a separate thermometer, then everything is fine.

. Used the heater for about 9 days. It turns on and off and keeps the water temperature. However, it works around two to three degrees of heat. I have a separate thermometer in the tank to make sure the heater is working properly. (If I want 78°F, I set the heater to around 74-76.) As other reviewers have mentioned, the red knob is difficult to adjust once installed. very narrow in a curve, ok for the price.

Pros
  • . Heavy duty construction.
Cons
  • . High price.

Revainrating 5 out of 5

Thermostat Thumbs Up

If you read other reviews that say "It killed my fish" I'm sure it could be due to a lack of research or that they put it in a smaller tank have than it should have. it was. Please don't boil the fish and be smart, use a right size fish tank. I recommend nothing less than 5 gallons anyway. Don't torture the fish thinking the betta should be 1-3 gallons. Position the heater in the corner of the tank vertically, not centered or centered on the floor. You should give the fish a spot where they can

Pros
  • New
Cons
  • Not the best

Revainrating 3 out of 5

could go wrong! Read my review for advice!

After a few hours of research on Amazon, I came to the conclusion that the ideal heater does not exist. I've seen many reviews, even from highly rated heaters to fried fish and insane temperatures. I received this heater two weeks ago; The heating worked perfectly until two days ago. I have a thermometer to monitor the temperature and at 11:30pm at night I noticed a change in the behavior of my fish as they were very agitated (actually too much). WATCH THE BEHAVIOR OF THE FISH! If you're new to

Pros
  • Everything is fine!
Cons
  • There are disadvantages

Revainrating 1 out of 5

Rating updated on 7/25/20

I am writing a review for this product to clarify some of the issues raised by previous reviewers. I hope this helps to solve some problems. I bought a 50w heater for my 3 gallon betta tank. I originally used a heater without a thermostat which was totally unsatisfactory so this was a step up. It works. BUT. Understanding the controls required a little experimentation. While this heater does what it's supposed to do and maintains the set temperature, finding the perfect spot for your aquarium…

Pros
  • Absolute legend
Cons
  • The list will be long.