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Home » Freshwater Forums » Plant Particulars » Brown hornwort


Brown hornwort Expand / Collapse
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Posted 12/2/2008 9:24:22 AM


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First off in my 3 gallon betta tank I have some hornwort and it looks great, its green and bushy and growing like a weed.  The lighting over it is like 4 watts per gallon though.  I have moved some of it to my 15 gallon and it turns brown.  It is still alive and when I rub it its like there is some sort of algea on it.  It doesn't really ever grow any, sometimes there are little green shoots but it grows really really slowly unlike the stuff in my other tank which I have to trim every week.  The lighting over the 15 is only 1 watt per gallon and I was thinking this might be the issue with it.  Am I doing something wrong with it.  I thought it would grow in low light just not as fast.  Mine is really not growing at all.  Thanks in advance.

My Tanks: 15 gallon:  1 female red wag platy, 1 female sunburst play, 3 black skirted tetras, 1 plecosomas, 2 unknown snails

3 gallon: 1 male crowntail betta

1 gallon: 1 female crowntail betta

Pond:  1 Map turtle, asorted minnows

Other pets....3 rabbits, 2 red ear sliders, chickens, ducks, horse, Fainting goat + male baby fainting goat, 1 kitten

Post #162515
Posted 12/2/2008 12:03:55 PM


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So you can rub the brown off?  That sounds like it's growing some diatom algae - maybe the diatoms liked the nutrients that the hornwort is giving off.

It can take a while for a plant to adjust to new conditions.  It has to re-think its growing pattern - it can't maintain the same growth and it has to figure out the best way to live in the new setup.  This can take a few days.  I think  your hornwort is still adusting; prepare to lose a few leaves since the plant is more concerned with staying alive and sending out new growth that can handle the low-light than maintaining the old "high-light" leaves.  And it'll grow slower, definitely.

Sometimes hornwort just doesn't appreciate tank conditions and doesn't thrive.  I'd give yours a few more days to get its act together and see how it goes.

In the Mountains   Of the Mountains   For the Mountains
 
Post #162520
Posted 12/2/2008 2:53:38 PM


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If the 3 gallon tank has 4 wpg, that adds up to 12 watts. And if the 15 gallon has 1 wpg, then that's 15 watts... I wonder why the Hornwort is browning...

Most likely, what Nikita said is happening. It's happened in my two tanks; the lighting is the same but only one tank has a bit more brown Hornwort than the other.

For now, only time can tell...

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Post #162537
Posted 12/2/2008 6:49:32 PM


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The hornwort has been in the tank for several months and hardly grown at all.  It doesn't appear to be dead or dieing just brown.  It has me stumped because nothing else in the tank has any sort of algal growth on it at all.  I don't know what the deal is, when I clean the tank I rub off some of the brown but it just comes back.

My Tanks: 15 gallon:  1 female red wag platy, 1 female sunburst play, 3 black skirted tetras, 1 plecosomas, 2 unknown snails

3 gallon: 1 male crowntail betta

1 gallon: 1 female crowntail betta

Pond:  1 Map turtle, asorted minnows

Other pets....3 rabbits, 2 red ear sliders, chickens, ducks, horse, Fainting goat + male baby fainting goat, 1 kitten

Post #162545
Posted 12/2/2008 8:26:30 PM


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It sounds like diatoms to me.  They can be rubbed off.  Brown algae, or diatoms, make their shells out of silica.  If there's excess silica in the water, they'll multiply.  I don't know about the mineral content of plant leaves, but if there is enough silica present in the old hornwort growth, they may be feeding off of that.

You may want to get another bunch of hornwort and see if it does any better.  Sometimes plants just don't adapt well, and thankfully hornwort is cheap enough to experiment with.

In the Mountains   Of the Mountains   For the Mountains
 
Post #162551
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