Added small powerhead to fuge, causing temperature swings

Court_Appointed_Hypeman

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I added a small powerhead to my fuge due to cyano collectong on chaeto, worked great but...

My heater used to kick on for 20 minutes every couple hours, now it kicks on for 7 minutes every hour.

The temp probe is in the fuge with the heater, and i have a 2nd temp probe and heater in the overflow.

The heater in fuge is the main one, kicking on at 78 and off at 78.5. The secondary in the overflow kicks on at 77.8 and off at 78.5. During this the overflow temp has not fallen below 78, nore has the secondary heater had to come on at any point.

Seems like my energy consumption has dropped a little on the heating side, but I want to know what you all think of this situation.

The overflow's temp has been incredibly stable, no longer hitting 78.5 and dropping to 78 as the sump still does, it's almost always 78.2 to 78.3

Thank you
 
I added a small powerhead to my fuge due to cyano collectong on chaeto, worked great but...

My heater used to kick on for 20 minutes every couple hours, now it kicks on for 7 minutes every hour.

The temp probe is in the fuge with the heater, and i have a 2nd temp probe and heater in the overflow.

The heater in fuge is the main one, kicking on at 78 and off at 78.5. The secondary in the overflow kicks on at 77.8 and off at 78.5. During this the overflow temp has not fallen below 78, nore has the secondary heater had to come on at any point.

Seems like my energy consumption has dropped a little on the heating side, but I want to know what you all think of this situation.

The overflow's temp has been incredibly stable, no longer hitting 78.5 and dropping to 78 as the sump still does, it's almost always 78.2 to 78.3

Thank you
Is there a problem?
 
Is there a problem?
Im just wondering if thats fine.

I tried searching and nothing came up.

It appear to me that the whirling in that chamber has further stabalized my DT temp, somehow, idk if colder water was somehow just not getting through, or if I am stuck in some sort of cycle where if it got the chance to heat the display up to 78.5, that these quicker heat cycles would end.

I also am not 100% sure shorter more frequent heating is okay for the heater or not.
 

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