Substrate Heating - The Planted Tank Forum
 
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post #1 of 2 (permalink) Old 07-02-2019, 06:45 PM Thread Starter
Algae Grower
 
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Substrate Heating

Hello,

In this thread I wanted to ask if there is anyone around here using substrate heater in a planted tank.

I have rode online that heating the substrate is very beneficial for plants, mainly causes better water movement in the substrate.

Does anyone have any experience with this?

Is there any real benefit?
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post #2 of 2 (permalink) Old 07-07-2019, 10:50 AM
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I have them in my tank.
I researched heating cables about 30 years ago and thought that it would be a good idea.
The whole create convection currents to keep the substrate healthy, and supposedly bring fresh nutrient rich water to the roots made sense.

I bought Dupla substrate heating cables about 20 years ago, they run on 24 volts.
I have seen heating cables that don't use a step down transformer, they run on plain 115 volts. Sounds like an accident (electrocution) waiting to happen.
Finally got them in the tank about 13 years ago.
I had a little DIY transformer project, due to the fact the Dupla transformer is wired for use in Germany.
Not that big of a project, rather heavy 24 volt 12 amp isolated transformer, case, fuse, indicator light, and banana jacks to plug in the cables.
And you will need a normal heater also, I plug everything into a temperature controller.

The substrate is a bit on the deep side to keep roots from wrapping around the cables, and pulling the cables up when moving a plant. But looking under the
tank you can see roots all over.

And quite honestly, I really can't tell you if they doo anything!

They were more popular a few decades ago, but not so much now,,,,,, I think.
I believe the thoughts on substrate heating cables are, save your money, and put it towards getting a better something else, filter, light, whatever.
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