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Re: Heaters

Hello Michael,

Whoever told you that a 100W heater will be "on" half as long as a 50W
heater was right. BUT the energy usage -- for the same water/room
temperature difference -- will be the same in either case and the
temperature swings, with the smaller heater, will be smaller NOT larger.

If a 50W heater sticks in the "on" position, the damge will be
considerably less than with a stuck 100W heater!

I don't know where you live, or rather your oil/gas/electricity price
difference. If the price breaks right, it can be less expensive to heat
the entire fishroom instead of heating individual tanks. Do the
arithmetic before you start buying new submersible heaters.

Best,

George


Zavodnik, Michael wrote:
> 
> Thanks for the information about lower wattage. I went to the larger
> wattage after a discussion last year at BAKA or killietalk that larger
> wattage heaters would go for a shorter period rather than a lower
> wattage running longer thus avoid great swings in temperatures an less
> energy usage
> 
> .
> 
> I was worried about temperature swings in the fish room. The fish room
> is outside in a converted goat barn. After insulation the room and
> with all the tanks running it looks like I won't be in the 30 - 40
> deg. range I was worried about.
> 
> Will look into the 9" submersibles available since I plan to go to
> smaller tanks before the West Coast Weekend.
> 
> Thanks,
> 
> Michael Zavodnik
> 
> AKA - BKA
> 
> -----Original Message-----
> From: BizEcology at aol_com [mailto:BizEcology at aol_com]
> Sent: Thursday, February 10, 2000 12:52 PM
> To: KillieTalk at aka_org
> Subject: Re: Heaters
> 
> Michael Zavodnik wrote:
> 
> <<Are there problems with non-submersible aquarium heaters
> overheating? For my
> ten gallon tanks I am using one 100W 10" each tank.>>
> 
> Yes, for two reasons.  First of all, if the water goes down more than
> an inch
> or so, the heater will not accurately sense the water temp and will
> tend to
> overheat.  Second, you are using a heater designed for 20 gal of water
> in a
> 10.  This means that any slight problem will be magnified, because the
> heater
> is too strong.
> 
> For those tanks that need heaters, I only use submersible heaters.
> 
> <<** Larry **>>
> ---------------
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