Using Carbon Below an Inert Substrate?

Dave Spencer

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Has anybody used carbon below an inert substrate? I am thinking of giving it a go in my next 120cm rescape to keep the cost down.

Dave.
 

ceg4048

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Never tried that one Dave. I'd be more inclined to go with a clay product though, better CEC and all that. Is it that much cheaper than Akadama?

Cheers,
 

George Farmer

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Not tried that either, but have heard of some reports.

Zeolite is also a consideration perhaps? I seem to remember Hoppycalif (the 'inventor' of the 4dKH CO2 DC) mentioning it a while back.
 

Garuf

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terrarium users use it to "soak out" nutrients and prevent stagnation, I believe that's it's origin, it supposedly works well but I've never tried.
 

Dave Spencer

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Cheers guys, I may as well give it a go, seeing as I have so much laying around from various filters I have bought.

I am a big Zeolite fan, and usually start a new tank with some in the filter. Using Zeolite in the substrate may be something I will try in the future.

Thanks again chaps.

Dave.
 
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