in-line heaters

  • We are currently upgrading MFK. thanks! -neo
I'm sold, wish I knew about these before I bought 2 fluval E300s in april! Guess I'll do one at a time, still feel weird about an external heater and uv on the same return
 
How about a simple DIY prject ?

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http://www.monsterfishkeepers.com/forums/showthread.php?t=311766
 
If you decide to use the Hydor ETH external heaters, they MUST be mounted vertically per mfg. instructions.

I am using one 300W heater on my 125G and one 300W heater on my 220G. The room temperature is normally 68F during the winter and the heaters have no problem keeping the tanks at 78F. I do not feel the need to keep more than one heater in each tank for my setups. Others may recommend dual heaters but I haven't had any issues.

BTW, my tanks do have glass canopies, lots of rock decor and the back/sides of the tanks are painted with black latex paint. I don't know if any of that may factor into maintaining tank temperature.
 
Dual heaters are nice for emergency backup, however if the house is not super cold a tank can go for a while without a heater; giving you time to go buy another one.

I kept my tank at 78 using two 300 watt submersible heaters with the room temp between 30's and 40's, so one heater at ambient temp of 68 should do wonders.
 
I have Hydor IN TANK heaters. They have an auto-shutoff switch that prevents over heating of heater (especially useful when doing large water changes).

I'm assuming the inline heaters have the same feature. (Other posters say it does)
 
bbortko;4383317;4383317 said:
how did you seal the heater? Did you use pvc glue or silicon for the pipe joints? This looks like a good way to save money if my heaters will work, I have to see how heaters will work since they're rectangles instead of standard tubes.
What heaters are you using ?
The pipe is assembled with PVC cement.
The heater tube is sealed using the rubber compression cuff(see thread).
I'll bet if you look at your heater close, inside the rectangle is a 1" glass tube.
Maybe not , but, maybe.

Note to nfored : IMO using two heaters is not to keep the tank warm , It is to keep one heater from cooking your fish. If you use two heaters, each of which are to small to to overheat your tank and one of them sticks on, then the other will shut off. This should give you ample time to spot that you have a problem. I don't worry about my fish freezing , I worry about them frying.
 
I have fluval e 300, the ones with a digital display if I remember correctly the top portion of plastic doesn't come off
 
The heater temp is easy to adjust (if needed). However, I have not adjusted mine since I hooked it up about a year ago.

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bbortko;4386510;4386510 said:
I have fluval e 300, the ones with a digital display if I remember correctly the top portion of plastic doesn't come off
A fluval E300 is indeed a glass tube heater in disguise, however the location of the heat sensor/digital readout makes it unsuitable for a DIY housing.
http://www.hagen.com/pdf/aquatic/Fluval-E-pamphlet-Eng.pdf
 
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