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Old 01-27-2009, 01:48 PM   #1
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Default Any ideas on repairing an aquarium heater?

I have 2 aquarium heaters I use to maintain fermentation temps. Sadly I broke one last winter. It should still work, the only thing wrong with it is that I broke the glass tubing. I think if I can just get something to replace it it will be working again.

Only problem is I am not sure what I would use. It needs to seal the electrical elements from getting wet and it needs to be heatproof I suppose.

Is there something I could use that costs less than buying a new heater or is it just not worth it?

Or is there another way I can use the heater and thermostat? I am not too electronically savvy so that may not be possible for me. Although I could get help from my FIL. He works designing industrial heating and cooling controls and sensors... Wish he lived closer I could really have some snazzy fermentation chambers instead of a tub of water and an aquarium heater!

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Old 01-27-2009, 03:18 PM   #2
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Only problem is I am not sure what I would use. It needs to seal the electrical elements from getting wet and it needs to be heatproof I suppose.

Is there something I could use that costs less than buying a new heater or is it just not worth it?
If you can find a test tube approx the same size, that would work. They're heat-proof. Not knowing how much your heater cost, it's hard to say, but I'd just buy another heater unless you have a lab supply place nearby where you can get a test tube. If you go that route, you can get a waterproof seal with epoxy.
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Old 01-27-2009, 05:51 PM   #3
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If you can find a test tube approx the same size, that would work. They're heat-proof. Not knowing how much your heater cost, it's hard to say, but I'd just buy another heater unless you have a lab supply place nearby where you can get a test tube. If you go that route, you can get a waterproof seal with epoxy.
Yeah, I thought of test tubes but no I don't have a place nearby. The original glass looks like a test tube in fact. Could always get one from AS&S but it would have to be the correct size and then there is shipping.

I keep hanging on to it with the hope I will have some sort of revelation as to a new use I could use it for. It was only $1 IIRC at the thrift store. It is a pretty nice one but I guess I did not ay that much to begin with.
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Old 01-27-2009, 06:13 PM   #4
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I'd price a new one. You may not need one as big as that. I'd think that a very small one would do the job. If it's only cracked, then you may only need to seal with silicone. I probably wouldn't do that though. Too dangerous. I had an Oscar when I was younger that attacked the heater. It came loose from the suction cup that held it in place and he cracked it against the aquarium wall. It shorted out, but fortunately it didn't kill him, and there was no fire. Could have been worse.

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Old 01-27-2009, 06:46 PM   #5
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Just get a new one ya cheap yankee bastige. What's a new one run $20?

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Old 01-27-2009, 07:10 PM   #6
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Just get a new one ya cheap yankee bastige. What's a new one run $20?
Hey I resemble that remark.

Wasteful southerner!

Use it up.

Wear it out.

Make it do.

Or do without!
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Old 01-27-2009, 07:12 PM   #7
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Just get a new one ya cheap yankee bastige. What's a new one run $20?
That's how I would go about "fixing" it.
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Old 01-28-2009, 04:11 AM   #8
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yeah. the thought of a leak and you electrifying your water bath is worth the $20. Or you could go with a titanium one and not worry about breaking it this winter.

B

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Old 01-28-2009, 12:40 PM   #9
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If you figure in all the time you're gonna waste trying to come up with a fix for an off the shelf $20 item, you'll be money ahead to buy a new heater.

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Old 01-28-2009, 06:16 PM   #10
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I have lots of experience with that, don't do it once those things break they are pretty much useless. If your worried about breaking one again you can get a titanium heater anywhere from 25 watts to 300 watts with an external temp controller.

A good place to go is:

Champion Lighting & Supply

Rob

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