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taiwwa 01-29-2013 06:45 PM

My Duckweed is very small
I don't quite understand why.

When I got the first batch, they were pretty big, about the size of a coin, but since then they've only reproduced as tiny little ones the size of like a nail head.

Any idea?

wicca27 01-29-2013 08:31 PM

can you get a pic there are a couple kinds of duck weed

ADJAquariums 01-29-2013 10:06 PM

They could just need to grow, like any plant they start out small and grow to full sized

kochman 01-29-2013 11:23 PM


Originally Posted by ADJAquariums (Post 2389898)
They could just need to grow, like any plant they start out small and grow to full sized

Was Also thinking that or just different light then what originals were grown in ?

Tetranerd 01-29-2013 11:52 PM

Re: My Duckweed is very small
Mine has never gotten very large.

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dmagerl 01-30-2013 12:39 AM

I had duckweed in two tanks, first one was infected with it, then the other was contaminated. I say contaminated because I cant get rid of the stuff and to indicate that the duckweed came from the same source and is of the same germline.

Anyway, both tanks have identical water conditions, both get EI dosing, but one tank is only a single t5ho low tech and the other is a dual t5ho + CO2.

The low tech tank always had larger leaved duckweed than the CO2 tank. The CO2 tank was almost microscopic in size. (Well, maybe I exaggerate). THe important point is that they are different sizes.

So it is either the extra light or the CO2 that is stunting their growth, but the size difference is quite noticeable.

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