Dwarf Hairgrass? Please advise! - The Planted Tank Forum
 
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post #1 of 10 (permalink) Old 12-31-2010, 03:05 AM Thread Starter
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Dwarf Hairgrass? Please advise!

I'm building out a (PIcotope) 3G tank, in which I plan to keep a betta. I want it moderately planted and am looking at Dwarf Hairgrass for a 'carpet' effect.

My LFS said they couldn't help me, as what they bought as 'Dwarf' turned out to be the full-sized variety. I looked at ebay and found these ads from 'make_it_green' -- but they show it as 5-7"....! Is this really the 'dwarf' version. If so, can it be trimmed down -- I'm thinking about 1" would be good. If this isn't the real one, do you know where I could get it?

Does anyone have thoughts on whether Dwarf HG is right for my tank? It's just 3G and has a little 9W 'hang-over' type light...?

Please do share your wisdom and experiences...

GB
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post #2 of 10 (permalink) Old 12-31-2010, 03:27 AM
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It's hard to give you exact information without knowing which variety they're specifically selling. The three plants sold under the name dwarf hairgrass from shortest to tallest are: Eleocharis belem, E. parvula, and E. acicularis. The only one suitable for a carpet in a tank that small is E. belem, but even that is pushing it. Personally, I wouldn't use any DHG for your tank size.

If you can keep up with regular trimming, HC can be a nice alternative. I'm not sure how well it'll fare under only 9W of light, though.


Tony

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post #3 of 10 (permalink) Old 12-31-2010, 03:27 AM
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Look for "Dwarf Hairgrass Belem" I think thats the smallest version. I have it in one of my tanks and its growing well with a max length of about 1.5".... Of course light intensity will alter final growth lengths for most plants. The tank I have it in is a pressurized Co2 High-Light setup.
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post #4 of 10 (permalink) Old 12-31-2010, 03:33 AM
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I would avoid the "dwarf" hairgrass from e-bay I ordered some and it arrived at a whopping 15" in height...

You might have better luck than I did I guess but I just thought I would share my experience.
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post #5 of 10 (permalink) Old 12-31-2010, 01:46 PM
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Quote:
Originally Posted by davidiscus View Post
I would avoid the "dwarf" hairgrass from e-bay I ordered some and it arrived at a whopping 15" in height...

You might have better luck than I did I guess but I just thought I would share my experience.
This would be an example of 'not so dwarf' hair grass. But as David said, the people selling on ebay often don't know what they really have. You will probably get hairgrass, but they will be oblivious as to the species.


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post #6 of 10 (permalink) Old 12-31-2010, 09:28 PM Thread Starter
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Thanks, all!

Thanks for your input!!

TLE041, by 'HC', I take it you mean Hemianthus Callitrichoides? I'll check it out..

TLE and Gitmoe, I'll look out for Belem. Davidiscus, that's what I was afraid of....

GB
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post #7 of 10 (permalink) Old 12-31-2010, 10:19 PM
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I used DHG in my 5 gal betta tank and it turned out to be a better back ground than a ground cover. Even the true dwarf grass gets a good 2 to 3 inches tall. Also if you use it you may want to put a barrier of some kind to keep it out where you dont want it to spread. It doesnt take long to take over a small tank. Anyway hope that helps you some!
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post #8 of 10 (permalink) Old 01-01-2011, 03:10 PM
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My dwarf hair grass or whatever it's called stays about 1-3 inches. Now I do have one bunch that I haven't touched(pruned) in a few years and it's a good 5-6 inches and thick and I have it in the corner which looks cool I think.
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post #9 of 10 (permalink) Old 01-07-2011, 01:54 AM Thread Starter
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Trimming DHG

So if it gets too long, can one trim it?

GB
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post #10 of 10 (permalink) Old 01-07-2011, 02:18 AM
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Quote:
Originally Posted by gbose View Post
So if it gets too long, can one trim it?

GB
Yep, you can "mow the lawn" to whatever length you want. It actually grows faster after a haircut.
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