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Aponogetons
I'm posting Dave's reply to my questions as he indicated that were
sensible questions for the mailing list.
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From: DAWB.DSKPO33B at DSKBGW1_itg.ti.com (David Webb)
Subject: Re: Aponogetons
>So you're saying you just leave the fish feces on the bottom? no gravel
washing
>even during water changes? Are you feeding lotsa fish or letting them nibble
>the algae mostly? How's your algae situation?
I try to keep the loose waste off of the gravel. I use a gravel vac with an
inline ball valve to vacuum the surface of the gravel. I usually vacuum the
gravel when I'm doing weekly water
changes, but I also do it in-between if I get a mound of algae-eater debris. I
don't jam the gravel vacuum into the gravel for two reasons: 1. I'm worried
about injuring my plants. 2. I'd wind up with the small gravel on bottom and
the large gravel on top. The small (3 mm) gravel is a barrier to prevent
debris from rapidly sinking into the substrate. My corys and ottos pretty much
keep it loose, so I just have to vacuum it into a net suspended above the sump.
>Do you just lower the water level or raise the lights off the top of the tank?
>I'm thinking it's good to retain humidity by keeping the glass covers on.
I have one of the glass covers slightly propped open. I am building a
free-standing hood to stand astride my tank. I will hang my lights from it and
eventually lose the glass covers. I can add water any time I want with my DIY
carbon-filter python.
>Lowering the water level would introduce lots more turbidity from the outflow
>of the filter resulting in more O2 in the water but less Co2.
N/A Currently I have two of my diffusers at the top of the tank pointed down.
The Dupla book recommends a lateral whirlpool flow instead of a vertical flow.
I will set up an under-the-substrate plenum with diffusers sticking upp about
2" next teardown.
>Are you using Co2 tank method (as opposed to yeast reaction)?
Yeast.
>Do you use clay pots for the aponogetons? It seems that they can live
>upto a year or more on the stored food in the bulb.
Planted in the gravel. I currently add the Tetra Fertilizer when one starts to
look sorry. I'm planning on going to Dupla, just ahven't gotten around to
ordering it yet.
>Did you also observe dramatic reduction in algae problem with introduction
>of Co2?
Yes.
>Do you use low phosphate fertilizer tablets? Where can I find them if so?
I fertilize infrequently and change water frequently. I don't have a
phosphorus test kit, but I think my phosphates are pretty low.
>Please excuse all my questions; this plant mailing list is great but I wonder
>if some people are getting inundated by mail. Thank you for your advice.
I personally think these are great questions for the plant list.
David W. Webb
Enterprise Computing Provisioning
Texas Instruments Inc.
(214) 575-3443 (voice) MSGID: DAWB
(214) 575-4853 (fax) Internet: dwebb at ti_com
(214) 581-2380 (pager)
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