Custom Sealife T4 Problems

Jamie

Jamie

AC Members
Jul 27, 2003
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Man! I just set up my 150 and seem to be having problems right off the bat. My water temp wont go below 80 degrees F. The temp of my house is 72-74 degrees. I have a CS T4 and have heard that they produce a bit of heat...but this much?! Any comments? Should I change pumps? Any suggestions? I want my temp to be around 76.

PS This is a FW Tank but I figured you salty folks would have a better idea of what I was talking about.
 
I intially I wrote a response thinking you are talking about lighting but on a closer look you are talking about the pump.

Couple of questions, Why are using such a high capacity pump on a freshwater? Is it being used in a sump at the moment? and is there any heat due to lighting?
 
I got this pump because it was recommended to have a tank turn over of about 10X per hour. I'm thinking that by you asking this it may not be right. I have 300W of PC lighting.
 
300 watts of light is going to put out some heat. I don't know if its enough to keep your water at 80*, but it is considerable none the less. Are you running this pump from a sump? If so, you may wish to run a couple of powerheads instead of the pump to achieve your 10x turnover.
 
Are you sure it is the pump and not the PC lights?

PC lights will certainly keep your water temp very high specially if there is no heat shielding between the lights and surface of the water. I some what doubt that an external pump would manage to increase your temp by 6F for a tank that size but I am certain PC lights will..
 
Does your tank get any sunlight? Do you have glass tops on your tank? How close to the water are your PC fixtures?

I ask these questions because it does not seem logical that the pump or the pc's could raise the temp that high in a tank that large. You may also want to make sure your heater isn't running.

Brian
 
Turn the pump off for awhile and see how much the temp drops.

CSLs will definatly raise the temp, but 6-8 degrees is quite excessive.

Test out how much heat the lights are adding by checking the temp in the morning before they turn on, and at night right before they shut off.
 
Thanks for all of the tips...I am also plumbing in a tap off off my main suppl line back to my sump so I can regulate the flow into my tank without putting excess pressure on the pump causing it to heat up further.
 
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