Under Gravel Heater Cables for nano - The Planted Tank Forum
 
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post #1 of 12 (permalink) Old 04-23-2010, 05:19 AM Thread Starter
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Under Gravel Heater Cables for nano

Has anyone used an under gravel heating cable for the heat source in their Nano? Nano's are soo small that all that precious space is valuable and I would prefer not to have an ugly heater inside my little aquarium. Plus there are alleged benefits to using these. Are there any small enough to use for a Nano that will provide all the heating you need? Or are they all so powerful that they will just fry the water.

Any input on this would be greatly appreciated as I am heavily considering this for my nano project.
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post #2 of 12 (permalink) Old 04-23-2010, 06:10 AM
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Plus there are alleged benefits to using these. .
Alleged, not proven. I think undergravel cable heaters are an unnecessary expense. That and your plant roots will inevitably get tangled in them.

Rather than using an undergravel heater, take a look at AquaDean's DIY project here:

https://www.plantedtank.net/forums/di...odule-56k.html

Anthony


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post #3 of 12 (permalink) Old 04-23-2010, 07:26 AM Thread Starter
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Haha I know they are not proven, that is why I wrote alleged. But it would be nice to have a nearly completely hidden heater in the aquarium. The money is not too much of an issue and rescaping a tiny aquarium is easy so I'm not too worried about the roots getting tangled.

AquaDeans project looks great but I am a horrible DIY'er and I would prefer just to dish out some $$. I am really just wondering if there are any small enough for aquariums under 5g.
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post #4 of 12 (permalink) Old 04-23-2010, 07:46 AM
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They do make commercially available in-line heaters if you're willing to spend the $$$, but that of course means you'll probably need a canister filter (thus more $) too.


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post #5 of 12 (permalink) Old 04-23-2010, 07:49 AM Thread Starter
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I will be using a canister filter so that's a really good idea but I haven't seen any with a low wattage. I think the smallest one I have seen would be for a 29g aquarium.
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post #6 of 12 (permalink) Old 04-23-2010, 01:09 PM
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I use a Hydor 200W in line heater on my 4 gallons and I have no problems with it so far. I set it on the heater at 70F and it gives me a constant water temperature of 77F.


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post #7 of 12 (permalink) Old 04-23-2010, 04:17 PM
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Most use those tiny 2.5W heat mats, better than sticks, flow through units etc.

The idea of cables is a bad idea on a few levels, if it is about getting stuff out of a tank, the the mat is the best solution for a nano.

http://www.bigalsonline.com/BigAlsUS...niheater75watt

Cables do not do what are claimed, no one to date, and after what? 25 years now, has shown otherwise. Only vendors claims..nothing for support other than this.

I've challenged many to this, test, experimental designs etc.
Not one has come forth with any evidence or test, heck even a little bit of knowledge on the topic.

But they keep making and marketing them.
They do heat the water, that's about it, like any heater.
The rest? Rubbish.

However, for a nano tank, the heat mats make a lots of sense, not due to cable "quackery", rather......ease of use for such a small tank.

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Regards,
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post #8 of 12 (permalink) Old 04-23-2010, 08:59 PM Thread Starter
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Thanks for the replies everyone!

TLE041: Do you use the hydor in line heater with your 2211? Where can you find a 2211 these days? I wanted to use one but I thought they were discontinued. I have a Zoo Med 501 kickin around. Does the Hydor make a unit that fits these hoses? Does anyone know if they share the same size hose as a 2211?

plantbrain: Actually I have one of those little heater mat's kickin around! I used it in the past but I didn't like it because I find it is hard to keep the mat flush with the bottom of the aquarium and it can get pulled up easily and is hard to re bury. I guess it's silly of me to think this won't happen with heating cables. The only other thing I dislike about this is the cord is very stiff and hard to keep nice and tidy flush with the side of the aquarium as it only comes with 1 suction cup.

I think I am going to try out the in line heater. I heavily considering this route with my 55g as well. If all else fails I will have to turn to the Hydor mini heater. I wonder if I could somehow set a little Marineland 10w or this Hydor 7.5w into a canister filter to keep it hidden.
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post #9 of 12 (permalink) Old 04-23-2010, 09:46 PM
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Can't you put the mat UNDER the tank, rather than in it?
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post #10 of 12 (permalink) Old 04-23-2010, 09:49 PM
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Sorry, didn't look at what I was talking about. Wasn't what I envisioned. I think a reptile tank heater with a controller would do a good job.
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post #11 of 12 (permalink) Old 04-23-2010, 10:20 PM Thread Starter
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Thanks overstocked. That is another good Idea I should explore.
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post #12 of 12 (permalink) Old 04-24-2010, 04:01 AM
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Originally Posted by SirKappa View Post
TLE041: Do you use the hydor in line heater with your 2211? Where can you find a 2211 these days? I wanted to use one but I thought they were discontinued. I have a Zoo Med 501 kickin around. Does the Hydor make a unit that fits these hoses? Does anyone know if they share the same size hose as a 2211?
I got the 2211 from eBay. It's still for sale there.

The 1/2" version of the Hydor heater will fit the tubing that comes with the 2211 fine.


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