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Discussion Starter #1 (Edited)
Thinking about getting some for my 55g, I know most on here don't like it but I had it once before as a hitchhiker and it didn't bother me and had no problem getting rid of it.

Problem is when I had it before I didn't have mollies and now I have 6 of them. Will they eat it faster than it can grow? I know duckweed is a fast grower but I'm only running one T8 48' tube over my 55 so it probably won't grow as fast as normal. I don't want to waste my money if the mollies will chow down and eliminate the duckweed. I planned on getting it from aquarium plants.com, it's sold in 2lbs. Don't know how much surface that would cover in a 55
 

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I think 2 lbs would be more than enough. You could also cultivate some of the duckweed outside in bins/tray or on your windowsill in jars, just to make sure you always have some.
 

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I actually got a bunch yesterday - I was looking for water sprite, which also came in, but it was just luck of the draw scoops of the other person's tank. I will gladly send you the duckweed, just pay the shipping ($6) It's pretty much a quarte sized ziplock full
 

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I used to have duckweed, but considered it a nuisance because it would dry out on the side of the glass because of evaporation, for ruining my filter(and media), and because it sticks to you like glue when you try to get things out of your aquarium. Even when I had it, it never grew on the surface so it was practically dead.
 

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Discussion Starter #8
I know it can be a pain but its the only floating plant that has grown for me in past. I've failed with water sprite , pennywort , and currently failing with wisteria. This is a last resort for me as I wants/need a floating plant to provide shade for my many anubias.
 

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Then I would recommend Frogbit if you need it for shade.:)
 

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Discussion Starter #10
If my pennywort died along with my wisteria and water sprite I'm sure not trying frogbit as it is even considered tougher to grow than those mentioned above. Tired of wasting money.
 

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Two POUNDS of duckweed is a lot - you're talking about enough to cover a pond - and it grows quickly. Mollies can and will nibble on it, but once you get more than a pinch and it starts to grow, well, like a weed - they'll never be able to catch up. I'd say about 1/4 to 1/2 of a quart-sized baggie would be MORE than enough for your needs in getting it going in a 55. . . if you have a HOB filter, you may want to look into creating a coral for it, as it will get sucked into and stuck behind the filter.
 

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2 POUNDS?!?!

Crap. I started with about a small hand full, couple of ounces, maybe. My water surface is 12" x 30" (37 gallon high) and it was completely covered, and then some, in a few weeks after starting with enough to sort of cover half the tank. 2 lbs might give you an inch thick mat.

I pulled over 75% of it off three weeks ago, brought it back to less than half covered and now it is near 3/4's covered again. As long as you keep taking it out it will keep growing. Actually, that's not true, it keeps growing even if you DON'T take any out.

Maybe that is a shipping weight and includes some water weight.

Jeff.
 

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there are so many nice floaters to choose from ^_^
lke:
frogbit
dwarf water lettuce
hygroryza aristata
azolla
salvinia etc~

red root floater can be a little fussier :p

Also most stems do beautifully floated ^_^
 

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there are so many nice floaters to choose from ^_^
lke:
frogbit
dwarf water lettuce
hygroryza aristata
azolla
salvinia etc~

red root floater can be a little fussier :p

Also most stems do beautifully floated ^_^
.... and none available around here other than duckweed.

Duckweed isn't bad, just prolific. I'm waiting for the store to bring in some dwarf water lettuce next month... they bring in some floaters for the pond people.

I've considered floating the pennywort, it would be cool. I was going to cut up one of the shorter stems into single leaf bits and float those and see how they grow.

Jeff.
 

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But OP was going to get some online right? ~

@smit I have all of the listed floaters, but in very small amounts, if you would like to start with a small amount, let me know ^_^ If you pay shipping, I can ship you some in a bubble envelope.
 

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If my pennywort died along with my wisteria and water sprite I'm sure not trying frogbit as it is even considered tougher to grow than those mentioned above. Tired of wasting money.
There is a reason these plants don't thrive. While not all will, some will, if sufficient light and nutrients are available. If you want, we should look into your setup; something is most probably lacking.

Byron.
 

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Discussion Starter #20
I've been at this for a year and a half and I've tried almost everything .
It's a 55 gallon with a 48 inch 6500 t8 bulb, dgh is 11, ph is 8.2-8-4. I've had 2 bulbs once before and couldn't find balance either . About the only thing I haven't tried is dosing flourish twice a week with one bulb instead of once. I run lights 8 hrs a day . My pennywort . Water sprite and wisteria turn to mush
 
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