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cook
09/07/2006, 10:03 PM
What is the temp difference between 175 and 250 bulbs. My tank runs 80 now w/2 175 if I change to 2x250 will it raise much?

alde
09/07/2006, 10:35 PM
I think you will see some rise but not too much. 400 would really crank up the heat though.

cook
09/08/2006, 05:58 AM
Anyone else, I really want to save on the chiller this winter and buy a wavebox, but only if my temp stays within 82.

moobar
09/08/2006, 06:04 AM
I know this is not the answer you are looking for, but: it depends :)

It all depends on how much the MH's are contributing to the tank temps. How high they are from the water, how well air is circulating near the tank (do you have a canopy?) etc.

What is the tank temp with lights off?

cook
09/08/2006, 07:07 AM
Lights on 80, The bulbs are 8" offthe water and the canopy is vented with 3 fans.