question about heating my 180g

  • We are currently upgrading MFK. thanks! -neo
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sonycrr

Feeder Fish
MFK Member
May 31, 2009
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nyc
im planning to buy the jehmco heater controller ETCI-1R

http://jehmco.com/html/temperature_controller.html

im going to need to raise the tank temp about 20 degrees f above room temp in the winter.

i will have 800 watts of heat in the tank.

i already have 4x 200watter heater. or should i but 2x 400watt heaters?

which choice would be more efficient in maintaining a stable temperature?
or would it be the same since its a total of 800watts either way.
i know the 4x 200watts would have more redundancy.

ty
 
redundancy is always a good thing. You would have to look at the power per btu (if they even give it) to find out the efficency one way or the other.

As far as which would maintain tank temp, i don't think it matters one way or another.

If you have the 4 200's i would just go with them. If you havn't bought anything the 2 400's is probably cheapper
 
800 watts is already twice what is needed.

Heater Guide:

If you need to raise the temperature of a 55 gallon tank 15 F, simply use the guide below to find out what wattage is needed. The corresponding wattage is 190 watt, therefore you would select a 200 watt heater. For me, my downstairs theater room may get down to 60 at night for my 75 gallon. Therefore a 300 watt heater is used.

DeltaT____10F____15F____20F____25F
Gallons-------------Watts----------------
10________53____80____106___133
20________80____120___160___200
30________93____140___187___233
40________107___160___213___265
55________127___190___253___316
75________147___220___293___367
90________160___240___320___400
120_______180___270___360___450
150_______200___300___400___500
180_______213___320___425___533
200_______220___330___440___550
250_______233___350___467___583
 
cichlidude;4240358; said:
800 watts is already twice what is needed.

Heater Guide:

If you need to raise the temperature of a 55 gallon tank 15 F, simply use the guide below to find out what wattage is needed. The corresponding wattage is 190 watt, therefore you would select a 200 watt heater. For me, my downstairs theater room may get down to 60 at night for my 75 gallon. Therefore a 300 watt heater is used.

DeltaT____10F____15F____20F____25F
Gallons-------------Watts----------------
10________53____80____106___133
20________80____120___160___200
30________93____140___187___233
40________107___160___213___265
55________127___190___253___316
75________147___220___293___367
90________160___240___320___400
120_______180___270___360___450
150_______200___300___400___500
180_______213___320___425___533
200_______220___330___440___550
250_______233___350___467___583
Click to expand...


thanks for the help every one =D

btw: cichlidude, where did u get this info from? can u post a link?

thanks!
 
That is off the box of my Auqa Heat 300 watt heater. It appears to be accurate but I would say still a little high.
 
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