Heating for 125gal
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Heating for 125gal

This is a discussion on Heating for 125gal within the Beginner Freshwater Aquarium forums, part of the Freshwater Fish and Aquariums category; --> What wattage heaters should I have? 2 150 watts, 200 watts or 250 watts? Posted via Mobile Device...

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Old 03-13-2012, 08:25 PM   #1
 
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Heating for 125gal

What wattage heaters should I have? 2 150 watts, 200 watts or 250 watts?
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Old 03-13-2012, 08:55 PM   #2
 
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I will be using two 300W heaters.

All my other tanks have had a ratio of 5W/gallon so I'll be keeping that.

It really boils down to the difference in temp between the tank and the ambient air. Mine will be in a bedroom that in the winter could be ~15 degrees colder than the tank. While in the summer, they'll hardly be on during the day.
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Old 03-13-2012, 09:02 PM   #3
 
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300 watts?! Thats expensive!
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Old 03-13-2012, 11:16 PM   #4
 
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I will be getting 2x 300watts as well for my 125. A little bit more money now but worth it. If you get smaller ones they will be working twice as hard and therfor wear out quicker. That my logic any how.

How far along are you? I will be getting the last few thing then performing the big set-up / swap this weekend!!!!
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Old 03-13-2012, 11:37 PM   #5
 
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I use two 200 watts on my 135G. Keeps the temp very stable and they don't work hard at all. I can tell by the indicator light when they're heating or not. Larger tanks are much easier to keep at a stable temp than smaller ones are.
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Old 03-14-2012, 09:36 AM   #6
 
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Quote:
Originally Posted by Egrant View Post
I will be getting 2x 300watts as well for my 125. A little bit more money now but worth it. If you get smaller ones they will be working twice as hard and therfor wear out quicker. That my logic any how.

How far along are you? I will be getting the last few thing then performing the big set-up / swap this weekend!!!!
Well I have to wait till me and My girlfriend move before I set anything up. Right now I am just getting everything I need. But the 2 200 watt heaters sound about right. 2 300 watts is mad expensive, close to $200 range for me where I'm at!
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Old 03-14-2012, 09:41 AM   #7
 
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Originally Posted by CinBos View Post
Well I have to wait till me and My girlfriend move before I set anything up. Right now I am just getting everything I need. But the 2 200 watt heaters sound about right. 2 300 watts is mad expensive, close to $200 range for me where I'm at!
Where are you the moon!

You can order them off ebay and other places for about $45 each or less!

Here is an example.
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Old 03-14-2012, 09:55 AM   #8
 
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Quote:
Originally Posted by Tazman View Post
Where are you the moon!

You can order them off ebay and other places for about $45 each or less!

Here is an example.
Haha, shoot I wish,lol

Are those reliable, compared to name brand in LFS and chain stores?
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Old 03-14-2012, 11:26 AM   #9
 
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The heater is the single most important piece of equipment for an aquarium. Don't skimp on heaters. All it takes is one failure--whether the heater fails to heat during the winter, or it overheats--and you can have a tank of dead fish. Filters and lights failing will cause no immediate harm and can be repaired. Not so the heater in certain circumstances.

I would not go less than 200w and I would have two of them, one at each end next to the filter intake at one end and the filter outflow at the other. Alternatively, you can buy a canister filter that includes a heating element, avoiding any in-tank heaters.

Cost is not always a guarantee of better, so know what you are buying.

And the comment on ambient room temperature affecting heaters is very correct. In a cold room heaters will have to work longer to keep the tank warm. Larger tanks retain heat better due to more water volume, but they also take longer to heat up should anything go wrong.
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