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Re: Do you vacuum? Do you peat/soil?
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To: aquatic-plants at actwin_com
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Subject: Re: Do you vacuum? Do you peat/soil?
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From: "shaji (s.) bhaskar" <bhaskar at bnr_ca>
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Date: Wed, 3 May 1995 10:21:00 -0400
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>From: Mark Wickersham <mwickers at minerva_cis.yale.edu>
>Date: Tue, 2 May 1995 18:44:21 -0400 (EDT)
>
>I have a 30g long, with just one 20W Lifeguard
>Biolume fluorescent bulb. My Java Fern has flourished, and I recently
>purchased Java Moss and a beautiful little specimen of a. nana. I only
>have a layer of bigger-sized gravel for substrate. I use a Whisper 2
>power filter. There are 12 neon tetras, 4 black neon tetras, 2
>ottocincluses, 1 angel, 3 albino cats, 9 zebra danios, and 1 fluorescent cat.
>My questions are related:
>1) Should I vacuum the substrate during my weekly 5g water changes?
If there is a significant nitrate buildup, you probably should vacuum.
The nitrate test kit from Tetra is about $10 if you order by mail.
>2) Should I mix into the gravel something else in addition to the
>occasional tablet of Tetra Crypta Hydro? If so, do I need to remove all
>the water, fish, and plants temporarily? My books say that a. nana likes
>a "rich substrate."
I believe the Tetra tablets contain the major nutrients (nitrogen,
phosphorus and potassium), so they are in a way enriching the
substrate.
Although many books don't mention it, Anubias nana also grows attached
to rocks, much like Java fern. So I am not sure that it requires a
"rich substrate". If I were you, I'd experiment a bit. You could
potting the swords with a different substrate to see if they do
better. Or try not vacuuming for a few weeks. Sooner or later, you
should figure out what works for you. Alternatively, you could go
the high-tech route.
Shaji