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Hydor eth 200w power consumption

gerlewis

Member
Joined
13 Jun 2009
Messages
70
Hi guys,

I have the Hydor eth 200w heater for my tank.

Is there anyway of working out the watts used for heating my 95l tank to 26 degree?

I know my lights are 25, and my filter is 32, but am unsure of the heater.

Thanks for any help
 

AdAndrews

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Joined
22 Feb 2009
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1,125
Location
Kidderminster, Worcs
isnt it just 200w regardless, however the higher the temp, the longer it needs to be on for.
 

gerlewis

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Thread starter
Joined
13 Jun 2009
Messages
70
ah, that makes sense. It has a red light when its on, I guess I could time it over a 5 mins period, and do the maths.

Thanks
 

Egmel

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Joined
28 Mar 2008
Messages
724
Location
Guildford, Surrey, UK
You can get a electricity meter which plugs in between a plug and a socket that will tell you how much electricity something uses. Don't forget that it wont be constant throughout the year, mine is hardly on during the summer.
 

squiggley

Member
Joined
18 Apr 2008
Messages
218
Egmel said:
You can get a electricity meter which plugs in between a plug and a socket that will tell you how much electricity something uses. Don't forget that it wont be constant throughout the year, mine is hardly on during the summer.


I borrowed one from my local library
 

vauxhallmark

Member
Joined
29 Jan 2008
Messages
570
It just depends on the rate of heat loss from your aquarium (a function of surface area divided by litres), and the temperature difference between the desired temperature of the tank and its surroundings. The first is constant for your tank, so the only variable is the room temperature.

It will take more energy to maintain the tank at 24 degrees if the room is 16 degrees than it would if the room is 20 degrees.

The size of the heater doesn't make any difference (as long as it's strong enough to raise the water to the desired temperature). If you had a 400W heater it would just be on for half the time your 200W one is. ;)

So the electricity consumption is going to go up and down as the room's temperature changes - unless, of course, the room is held at exactly the same temperature all year round. Unless your room is air conditioned, your heater will probably hardly ever be on at the moment, so not a lot of point looking at it.

Good luck with any measurements or calculations. If you can't find the answer, don't worry about it too much - a 96l aquarium won't be taking much power to maintain it at 25 degrees in a normal heated room.

Let us know if you find anybody who's done the calculations for us!!

Best regards,

Mark
 

vauxhallmark

Member
Joined
29 Jan 2008
Messages
570
http://www.algone.com/energy_consumption.php

according to this link a 120l tank takes about 110 kilowatt hours per year to heat to 22 degrees, 440 kilowatt hours per year. Fairly useless to work with, as room temperature not supplied. But assuming the figures are about right, you could guess your tank would use about 3/4 of that per year.

Sorry not to be a lot of help - I haven't got the time to look it up and calculate it right now. Should n't be too hard though.

Mark
 

GreenNeedle

Member
Joined
19 Jul 2007
Messages
2,729
Location
Lincoln UK
substrate can make a difference too guys!!!

Have you ever felt the warmth of a compost substrate when used? So dependent on the type of substrate I would guess that could also help add a few degrees.

AC
 
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