Corralling duckweed, any ideas? - The Planted Tank Forum
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post #1 of 18 (permalink) Old 09-04-2008, 04:16 PM Thread Starter
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Corralling duckweed, any ideas?

I've used the rim of a plastic cup before, but that never seems to float for very long... I want something that will keep it in one place as well to shade my java fern somewhat, and to suck up excess nutrients.



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post #2 of 18 (permalink) Old 09-04-2008, 04:25 PM
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hmmmmm, that's a tough one. Here's a free bump.
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post #3 of 18 (permalink) Old 09-04-2008, 05:08 PM Thread Starter
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Well, I found a plastic cup and hot glued the crease closed, so it should float forever. Here it is...

I would like to make something a custom shape, not round, but this will have to do for now. I've got Lemna minor, and Wolffia. In the tank on the patio I found some mosquito larvae! I know I'm going to have some very happy fish in the next couple of weeks!



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post #4 of 18 (permalink) Old 09-04-2008, 07:45 PM
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There was a post I saw that braided nylon rope around a wire and covered it in java moss - that looked amazing. You could do the same thing to make a java corral for your duckweed. I think that would look very cool.


If I find the post I'll let you know.
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post #5 of 18 (permalink) Old 09-04-2008, 07:49 PM
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post #6 of 18 (permalink) Old 09-04-2008, 08:50 PM
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I was going to suggest looping airline tubing and hot glueing the ends together, but it looks like you've got a solution.

Have you succumbed to the pleasure of Multiple Tank Syndrome? I feel your pain!
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post #7 of 18 (permalink) Old 09-04-2008, 09:26 PM
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itd be even easier to use an airline connector to hook the two ends toghether.
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post #8 of 18 (permalink) Old 09-04-2008, 09:37 PM Thread Starter
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Would putting really thin wire through the tubing cause it to sink? I want to create a pie slice shape... thanks for the advice, I may have to try it!



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post #9 of 18 (permalink) Old 09-04-2008, 11:59 PM
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doubtful. the tube is light enough to float and hold up some weight.
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post #10 of 18 (permalink) Old 09-05-2008, 01:21 AM
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want me to send you like one cup of duckweed?
Then you wont need to worry about coralling it

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post #11 of 18 (permalink) Old 09-05-2008, 01:50 AM Thread Starter
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Thanks, but no thanks... I'll have a cup in no time, I just want to shade out a portion of the tank, that's why I want it corralled.



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post #12 of 18 (permalink) Old 09-05-2008, 05:18 AM
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use bigger floating plants

try red root floater or frogbit, they may help with the shading more and much easier to keep coralled.

Eventually the duckweed will get under the loop you have and make a mess of your tank (esp. if you're doing a high-light, CO2 injected tank). Even in a lowlight tank I find duckweed too much of a hassle to work with.

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post #13 of 18 (permalink) Old 09-05-2008, 08:11 AM
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i'm dying to get rid of the stuff..
i thought i had gotten every bit of it, and every time i check a few more spring up and i skim em off with the net again.

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post #14 of 18 (permalink) Old 09-05-2008, 01:52 PM
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They make fish flake coralls for feeding fish if you have a skimmer. Its about the size of a cup but it is meant to float and it has a little suction cup with string on the side of it to keep t in place. Hope this helps.
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post #15 of 18 (permalink) Old 09-09-2008, 02:29 AM
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how about floating fishing line,like the kind fly fishermen use.Dont know if it will work just an idea.
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