Replies to This Discussion

Permalink Reply by Robert Jango on March 12, 2012 at 10:03pm

Water cabbage has the same advantages: sucks up excessive nutrients in water, reproduces fast, and out-competes algae.

But it doesn't:

1) clog your filter

2) helps with egg scatterers and Bettas

3) Is easy to get rid of when you don't need it.

As Dustin says Duckweed is the herpes of aquarium plants.

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Permalink Reply by GSP on March 12, 2012 at 10:39pm

I HATE Duckweed. I wish I had never gotten that ONE single duckweed leaf hitchhiker. First it took over a 10G, then a 75G, then 6 more tanks...

Other floating plants to mention, Salvinia Natans frogbit dwarf water lettuce azolla tiger lotus

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Permalink Reply by GSP on March 15, 2012 at 1:17pm

It shades the other plants that I do want to get the light.

It hogs nutrients from the other plants that I do want to have them.

It gets tangled up in the plants that I want segregated.

I don't have an algae problem. or an excess nutrient problem.

I have a duckweed problem.

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Permalink Reply by Jaimmie on March 13, 2012 at 9:06am

I am for it. I'm one of the odd balls that likes duckweed. I think duckweed looks best when mixed with other floating plants though...left alone it just looks..meh...It grows fast thought and eats up excess nutrients in the water, so it is good for preventing some algae. The downside is that it is annoying during water changes. Duckweed sticks to the water siphon, your hands, the rim of the tank...ect....It will also clog up your filter if you don't create some way for it not to get pushed down into the intake by the outflow....I cut the rim off a lid and float it around the outtake of my HOB filter to prevent that.

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Permalink Reply by Milos Stevanovic on March 13, 2012 at 1:31pm

I was thinking about getting some duckweed for one of my tanks but is way too small for me. Will have to find out some other more attractive and at the same time hardy plants to replace duckweed.

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Permalink Reply by nate on March 14, 2012 at 10:01pm

notice in the name see duckWEED

ITS  A WEED like sag

but its still awewsome like all weeds exept un dandilions crAB GRASS, , ,  ....u soon fall a sleep

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Permalink Reply by Ben Heeley on March 15, 2012 at 12:21pm

I have a problem with it not being able to stay on the surface of the water, and it always finds a way into my filter.. besides that, its awesome and looks natural!

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Permalink Reply by Milos Stevanovic on March 15, 2012 at 1:02pm

I just got a plant called frog bit and it bit larger than duckweed. See if you like that one. 

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Permalink Reply by GSP on March 15, 2012 at 1:40pm

Check this method out: floating feeder ring:

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Permalink Reply by Roger on March 15, 2012 at 5:53pm

Duckweed ends everywhere but on the surface of the tank where you want it.  I like the herpes comment.  Does anyone know if mollies would eat duck weed?

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Permalink Reply by Robert Jango on March 15, 2012 at 11:37pm

Not mine Roger. Maybe if you starve them to death.

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Permalink Reply by William Michael Hart on April 2, 2012 at 5:10pm

I'm not sure if mollies do, but I've heard that goldfish eat it.

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