Trouble growing Dwarf Hairgrass - The Planted Tank Forum
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post #1 of 7 (permalink) Old 10-29-2012, 02:59 AM Thread Starter
Join Date: Oct 2012
Location: Massachusetts
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Question Trouble growing Dwarf Hairgrass

I've had small clusters of DHG planted in my 10g tank for at least of month and I've only noticed negative progress. Many of the leaves turned pale and disintegrated. However, there are still small clusters remaining in the substrate, but there has been little to no progress in terms of growth (let alone carpeting).

-Substrate = ecocomplete planted substrate
-Lighting = 2x 24 watts 6500k t5 (suspended 6 inches above tank)
-C02 = DIY setup (microfilter used for dispersion)
-Ferts = Weekly dose of flourish, flourish nitrogen, flourish phosphorus, & flourish potassium (The LFS told me i may be lacking in N, P, or K)
-Water parameters = ph[7.0], ammonia[0-0.2ppm]
-Livestock = 1 dwarf gourami, 4 cardinal tetras, 1 nerite snail

All the other plants are doing really well and hardly shade any of the DHG so what the heck is the problem????

Attached is a photo of the tank in question. Any feedback/info is much appreciated.
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post #2 of 7 (permalink) Old 10-29-2012, 03:14 AM
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That actually looks like quite a bit of lighting not to have more CO2 and a better fertilizer scheme.

Hair Grass is a heavy root feeder, so adding root tabs would help quite a bit. And getting pressurized CO2 will definitely help.

Have you considered buying dry ferts so you can mix them yourself and save money?
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post #3 of 7 (permalink) Old 10-29-2012, 03:21 AM Thread Starter
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Thanks for the reply. The photo doesn't do the tank justice. The light appears to be brighter than it is. However, if you were referring to the actual wattage, the fixture is suspended with 2 bulbs on separate switches so i could adjust it in a number of ways if the light is too intense. I'll definately pick up some root tabs tomorrow and look into the dry fert idea!
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post #4 of 7 (permalink) Old 10-31-2012, 09:04 PM Thread Starter
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bump. I buried some plant tabs in the substrate but I would appreciate some more input/advice. Thanks!

As a side note: some of the leaves on the vallisneria appear reddish and the sword's leaves are a bit twisted/wrinkled

Last edited by dSan223; 10-31-2012 at 09:36 PM. Reason: related issue?
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post #5 of 7 (permalink) Old 11-01-2012, 08:01 PM
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I've always had trouble growing it.

110g Tropical Community & Sakura Shrimp
55g BN Breeding Grounds, Peacock Gudgeons, Panda, Pygmies, & Smudge Spot Cories, Rili Shrimp
10g RCS and show guppies

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post #6 of 7 (permalink) Old 11-01-2012, 08:21 PM
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IME, they love constant co2 flow and fert. Like somewhatshocked mentioned above, they are heavy root feeder. The more root tabs the better for them.
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post #7 of 7 (permalink) Old 11-01-2012, 11:51 PM
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And the old growth needs to die and new growth replace it before it can start filling in. If you check the horrible photos of my 8 foot tank you can see how bad it can get before it gets better. That was even aquatic growth that died back, aerial growth will always do that.
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dwarf hairgrass, dying, growth, slow

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