Re: [Killietalk] Duck weed as a cover floater plant

["Mark R" <oldsan at gmail_com>]

I despise duckweed. I use Amazon frogbit (Limnobium laevigatum - most
beautiful of the true floating plants - if you are lucky it sometimes even
flowers!) and various Salvinia species in all my tanks and fry boxes. Much
better root systems and I believe these are more efficient at removing
nitrate than duckweed too, but that is just based on casual observation over
the years, no proper test. Never had the giant duckweed you refer to though,
or maybe I have but just don't know it.

Apparently, duckweed is a very nutritious food supplement for omnivorous
fish and animals (including humans). Some reports claim that protein yields
from duckweed are up to 10 times higher than soybeans and alfalfa. More:
http://www.mobot.org/jwcross/duckweed/Fish.htm . Maybe you should try
mixing your extra into a homemade food paste?

Anyway, interesting, but I still hate the stuff in my tanks.

Mark.



On 9/29/06, John Wubbolt <BigJohnW at webtv_net> wrote:
>
>
> Does anyone actually use duckweed on purpose in their tanks?   IF so and
> you want some or if you dont use it and want some, let me know... ive
> got 2 55 gallon tanks jam full of the stuff and before i throw it away i
> figured i would offer it free to anyone who wants some.   Apparantly
> there are 2 types of duckweed, the smaller finer tiny leaf version and a
> larger leaf that they call giant duckweed... i have the bigger stuff...
> not that its really big, but isnt as fine as the small stuff that clogs
> up every power filter in the world...
>
> If you want a good bunch of it, contact me off the list and i'll send ya
> some... otherwise , its going in the garbage...... Im trying to
> establish Amazon frogbit and wide leaf water sprite in my larger tanks
> and need to clean up a couple that have duckweed.   I know that once it
> covers a tank, no fish manage to jump out of that tank.
>
> John
>
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