El Natural:Gas in the substrate - The Planted Tank Forum
 
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post #1 of 6 (permalink) Old 04-10-2009, 02:27 PM Thread Starter
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El Natural:Gas in the substrate

I setup my el natural 20 long about a month ago. It is just 1.5" of cheap potting soil, no special prep other than wetting it down good before using it, with 1.5" of play sand on top.

The plants are going good, the fish are healthy, and there is less algae than in any of my other tanks.

However, last night I noticed some bubbles coming from the substrate. I started jabbing down into the soil layer with my long tweezers and everyplace I jabbed a LOT of bubbles came up. I did not notice any smell. With that much gas I think if it was H2S I would have caught a whiff.

Anybody know what this gas is? And is it good or bad?

Thanks,
Rod


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post #2 of 6 (permalink) Old 04-10-2009, 06:08 PM
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CO2 mostly.
Stank= H2S.


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post #3 of 6 (permalink) Old 04-10-2009, 07:07 PM
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is 'stank' the technical term Tom? lol

If so, I'm afraid I might have called a few ex-girlfriends H2S by mistake.


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post #4 of 6 (permalink) Old 04-16-2009, 03:00 PM
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this is normal IME, you can use MTS to do it for you or use a stick and poke the substrate to release the bubbles before they get toxic. With lots of stem type plants they will also bring O2 to the soil to prevent toxic areas
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post #5 of 6 (permalink) Old 04-16-2009, 03:48 PM
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Quote:
Originally Posted by jargonchipmunk View Post
is 'stank' the technical term Tom? lol

If so, I'm afraid I might have called a few ex-girlfriends H2S by mistake.
Yes, it's used to accurately describe the Grinch.

I think you where thinking of "Skank", not "Stank"?

Both are bad, but one sends me running faster than the other.
There's an interesting News article on The Onion about skank's on TV setting levels too high, always trying to one up the other skank.

This is much different than "stank".

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post #6 of 6 (permalink) Old 04-16-2009, 11:25 PM
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Quote:
Originally Posted by tonbrencat View Post
this is normal IME, you can use MTS to do it for you or use a stick and poke the substrate to release the bubbles before they get toxic. With lots of stem type plants they will also bring O2 to the soil to prevent toxic areas
I second that!

I scared me too, when I first saw it. As long as it doesn't stink it is okay. In the beginning I did it weekly. Now I just poked my dirt now when I see some bubbles.
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