Subject: Re: NANFA-L-- Bubbles from the substrate
From: James Smith (jbosmith-in-gmail.com)
Date: Sat Dec 25 2004 - 16:02:31 CST
While they are not north american and can take over your tank,
malaysian trumpet snails keep the gravel stirred to avoid anarobic
pockets. Not sure if there are any similar snails around here, but
this is what I use.
Jim
On Sat, 25 Dec 2004 07:39:03 -0800 (PST), Sajjad Lateef
<sajjadlateef-in-yahoo.com> wrote:
>
> In a 38H, I have a six inch deep substrate (layered gravel,
> profile, gravel) topped with 1/2" of accumulated mulm. Of late,
> I have been noticing that bubbles are emanating from the
> substrate spontaneously (not tiny, plant pearling bubbles;
> these are a few, large bubbles).
>
> My guess is that there is anaerobic decomposition going on
> in the substrate and the H2S is building up and slowly
> releasing.
>
> The fish are fine. The plants are fine. Should I be doing
> something about these bubbles? I would hate to tear-down
> and re-setup the tank - it's been going strong for a few years now.
>
> Sajjad
>
> =====
> --
> Sajjad Lateef e-mail: sajjadlateef AT yahoo DOT com
> Chicago
>
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: Sat Jan 01 2005 - 12:42:04 CST