Duckweed.. - Page 2 - Tropical Fish Keeping - Aquarium fish care and resources
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post #11 of 28 Old 03-19-2013, 11:45 AM
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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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post #12 of 28 Old 03-19-2013, 03:56 PM
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lol @ 2lbs of duckweed. duckweed is pretty light... and thin... 2 lbs... woah
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post #13 of 28 Old 03-19-2013, 04:45 PM
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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.


Total years fish keeping experience: 7 months, can't start counting in years for a while yet.

The shotgun approach to a planted tank with an LED fixture

Small scale nitrogen cycle with a jar, water and fish food; no substrate, filter etc
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post #14 of 28 Old 03-19-2013, 05:10 PM Thread Starter
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Looks like I should reconsider, lol.. Going to try brazilian pennywort again I guess
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post #15 of 28 Old 03-19-2013, 05:19 PM
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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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post #16 of 28 Old 03-19-2013, 05:33 PM
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Quote:
Originally Posted by aokashi View Post
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.


Total years fish keeping experience: 7 months, can't start counting in years for a while yet.

The shotgun approach to a planted tank with an LED fixture

Small scale nitrogen cycle with a jar, water and fish food; no substrate, filter etc
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post #17 of 28 Old 03-19-2013, 05:44 PM
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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.

Last edited by ao; 03-19-2013 at 05:56 PM.
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post #18 of 28 Old 03-19-2013, 06:00 PM
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Anacharis and ludwigia grow pretty decently when left floating.
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post #19 of 28 Old 03-19-2013, 07:51 PM
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Quote:
Originally Posted by smit3183 View Post
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.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If youíre going to take it under your wing then youíre responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]

Last edited by Byron; 03-19-2013 at 10:02 PM. Reason: correct "this" to "there".
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post #20 of 28 Old 03-19-2013, 08:25 PM Thread Starter
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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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