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Re: [APD] Plant filters
Agree with the problem with duckweed.
When eradicating, it's not the duckweed that floats
causing problem. Those are easy to get. The problem are
those stucked underwater to other plants, rocks, wood.
Those will reproduce and it takes a long time and patience
to get rid of them.
TickQuest Inc www.tickquest.com
----- Original Message -----
From: "S. Hieber" <shieber at yahoo_com>
To: "aquatic plants digest" <aquatic-plants at actwin_com>
Sent: Tuesday, January 20, 2004 5:59 AM
Subject: re: [APD] Plant filters
> I find water sprite easier to deal with. It's a good
> "sponge" and, when it becomes overgrown, much easier to
> trim back than duckweed. And much easier to eradicate ;-)
> It's not cleaer to me why CO2 injection would be a problem
> for a discus tank. With readily available buffers (baking
> soda, for example) one can tune the pH when injecting CO2,
> but one wants a relatively low pH for discus anyway, right?
> Scott H.
> --- Alan and Kim Van Nevel <van_nevel at verizon.net> wrote:
> > Andy, the polysperma is a good choice, but if you really
> > want low
> > maintenance, and a nitrate sponge, get some floating
> > plants, like duckweed,
> > salvinia, etc. Duckweed, as maligned as it is, will
> > reproduce rapidly, eat
> > up excess nutrients, and all you have to do is net it out
> > when it is
> > rampant. The caveat is that once you have it, it can be
> > difficult to
> > eradicate. But floaters are the way to go for nitrogen
> > sponges. As a
> > benefit, the discus will appreciate the lower light
> > levels in parts of the
> > tank.
> S. Hieber
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