File :-(, x, )
MOTHERFUCKING DUCKWEED Anonymous
I AM SO SICK OF THIS DUCKWEED IN MY TANK. I skim it all off the top, and then three days later, the entire 4 foot length of the tank is completely covered again and no light gets through to the plants I want to keep.
How the hell do I get rid of this? I can't deprive the tank of light because it's a planted tank, and I don't want to kill all the good stuff. I also have a foot long senegal bichir in there, so most fish which could eat the duckweed would quickly be eaten by him.
Am I doomed to just fruitlessly skim it off the top of the tank every few days?
>> Anonymous
>>200657
You did read the part where I said I had plants I wanted to keep, right?
>> Anonymous
Get a duck.
>> Anonymous
>>200651
I have a bunch of wisteria which grows up to the top of the tank and floats there, but because of its foliage and the way the duckweed gets stuck in it, I don't think I could skim it all even if I was being paid for it.

Perhaps I should pour in bleach.
>> Anonymous
>>200678
Cut this hygrophila in half, plant both halfs. It grows realy fast, there would be no consequences. Then skim the shit out. You want easy free solution for lasy man to get duckweed out of the tank? There is none. Keep skimming, nigger.
>> Anonymous
>>200644

Duckweed are plants after all, and they have no magical solutions to everything.

Next time you skim the tank, create a partition, I dunno cut a ruler to fit the width of your tank exactly or something, so there is a clear space in your tank. Mind you, this space has to be space where plants aren't growing to the surface so you KNOW that area has no duckweed.

Once you've completely obliterated the duckweed in the partition, move it slowly back every time you skim, until the duckweed only populates a small area of the tank.

Then you can decide what to do with the remaining duckweed.
>> Anonymous
>>200644
Step 1. Remove wanted plants to another tank, or bucket with light/water that will sustain them till Step 4. is finished.

Step 2. Goto local pet store and find 'Algae Destroyer'. PetsMart, and Petco are a known vendor of this.

Step 3. Use recommended dosage till duck weed is gone. Be sure to read directions/instructions very carefully.

Step 4. Make sure you complete two water changes before adding plants back to tank.

Step 5. Enjoy wanted plants.

I can't guarentee this will work, but algea distroyer usually kills any plant, seeing how algea is a plant.
I've had this problem with similar plants before and this took care of it.
No more evil spreading plants.
>> Anonymous
Move lights to sides of tank so light gets to the other plants
>> Anonymous
duckweed doesn't grow very well in moving water, maybe after you skim the stuff off next time put a few strong water jets aimed at the surface of your tank to get things moving a bit.

Alternately, koi love to eat duckweed... don't know how well a koi would like fish tank life, but you could get one about the same size as your senegal bichir.
>> Anonymous
A power head would also work if you don't already have one.
>> Anonymous
>>201052
>seeing how algea is a plant.
Oh no you didnt!
>> Anonymous
>>201079
Oh yes, I did.
>> Anonymous
Some duckweeds are used in freshwater aquariums and ponds where they may spread rapidly, although in a large pond they may be difficult to eradicate once established. The plants can provide nitrate removal (if cropped) and cover for fry. The plants are used as shelter by pond water species, such as bullfrogs and bluegills. The duckweeds are important in the process of bioremediation because they grow rapidly, absorbing excess mineral nutrients, particularly nitrogen and phosphates. A cover of duckweeds will reduce evaporation of water compared to a clear surface.
>> Anonymous
>>201132

but will also reduce oxygen levels in the water leading to dead fish.
>> Anonymous
some people find dead fish in their fish tank visually appealing
>> Anonymous
Grows quickly in lakes and ponds due to fertilizer run off.

The american dream
>> Anonymous
>>201137

So what? Some people are also furries.
>> Anonymous
My brother once fell into the swamp, the water was covered with duckweed and he thought it was solid ground. My other brother fell out of the boat and got covered in it at once. I myself have never fallen out of a boat into the swamp, though.
>> Anonymous
>>201149
they never found either of your brothers and you were the only witness, right? MURDERER!!
>> Anonymous
If you have pretty lotus/crinum/amazon leaves on your surface like I do that makes using a net to skim the surface a bitch then use the saltwater overflow method...take a cup or something put it into the tank to where the water overflows the surface into the cup, bringing all the duckweed with it, pour the duckweed water through a net and repeat, takes a few minutes to competely eradicate duckweed. You might stir some up and have to let it float back to the top though, but usually not as much as skimming with a net alone
>> Anonymous
>>201149

Did he die that way?
>> Anonymous
Duckweed grows like nuts if there is a lot of nitrate as fertilizer in the water. Letting it grow and skimming it off has the beneficial effect of reducing the nitrate level and thus slows down the growth of algae. The duckweed is not itself the problem, that it grows faster than you can skim is merely a sign that the water quality isn't what it could be. If your level is above 20mg/l you may want to reduce it, above 50mg/l you definitely should.

1. Get a nitrate test, and not the shitty test strips but a drop test. Test both the water in the tank and your tap water (or whatever water you use to refill when you change water)
2. Report back
>> Anonymous
>>201154
That's not funny, my brother died that way
>> Anonymous
     File :-(, x)
Just show your WeedDucks a picture of raindog. They'll get so sad that they'll just stop growing and die.
>> Anonymous
>>201233
another murderer!
>> Anonymous
Um, couldn't you just trim the tops of the wisteria and then scoop out the duck weed with a net? if you have other floaters you want to keep take them out and rinse the duckweed off.
>> Anonymous
>>201322
read the thread - anonymous is lasy as fuck and wants a magical chemical or fish that would do all the job by itself. Neting duckweed is too much of a job.
>I don't think I could skim it all even if I was being paid for it.
>> Anonymous
>>201334

Lassy was a good dog.