Dwarf Hair Grass help - Betta Fish and Betta Fish Care
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post #1 of 4 (permalink) Old 09-05-2019, 01:22 PM Thread Starter
blubird101's Avatar
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Dwarf Hair Grass help

Hey guys, so I'm trying to get a carpet of dwarf hairgrass going so I bought some from the petshop. I divided up the pieces, spread them out, and planted them. They seems to be slowly turning yellow and brown though and I believe they are dying. :( Thoughts?
I also had some halferi in there once before and it also slowly withered and died. Guess grass type plants hate me haha.

Its in a 5 gallon fluval spec, I dose twice a week with excel flourish, light is 4.5 hours on and 19.5 off. (I had a major issue with algae with the tank before which I believe was partly due to the light, so that's why its on so little.).

Do you think it could be because the light isn't on so much? I used to do 6 hours on but that seemed to be what caused all the algae. Also I just trimmed them, as I had read on a different post that it helps to trim them, to encourage new growth.
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post #2 of 4 (permalink) Old 09-05-2019, 03:00 PM
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Never had success with dwarf hair grass (eleocharis parvula) without pressurized CO2 (I define success as plant is growing/carpeting/propagating itself) . Some people like to use excel as a CO2 replacement, but in my opinion it doesn't work (some people love it though, never worked for me).

Excel is essentially diluted glutaraldehyde. In my opinion, It serves mainly as a sort of algaecide, which essentially gets rid of algae competing with your plants, while it can provide some carbon source for your plants, you get about the same amount 2-5 ppm from normal atmospheric gas exchange depending on water flow, kh, ph.

You can change the environment to fit your plants, or change your plants(species) to fit your environment. Personally I think a photo-period of 4 hours of light is too little, and would increase to at least 6. If there is a bloom of algae, then consider nutrients/co2 balance may be off.
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post #3 of 4 (permalink) Old 09-05-2019, 03:59 PM
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Another thing to consider is your clumps are too big and planted too deep. Each tiny section is one plant. Separate sections and spread all over the area you want to cover. Insert in substrate and then lift a little.

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post #4 of 4 (permalink) Old 09-05-2019, 04:38 PM Thread Starter
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Okay, I'll try to separate a bit more and pull them out a bit more to see if that helps. Thanks!
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