I Can't Figure Out Eriocaulon setaceum - The Planted Tank Forum
 
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post #1 of 9 (permalink) Old 08-18-2008, 10:53 PM Thread Starter
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I Can't Figure Out Eriocaulon setaceum

I need your help really bad guys.
I am not having any success growing Eriocaulon setaceum.
This is the most challenging plant for me and I'm about to give it up after 7 unsuccessful attempts.
All of them melts away within a couple of weeks and ended up with a little stub a tiny green top.
I always planted them at the center of the tank with lots of CO2 sweeping through.
These are the parameters of my tank:
1. 70gal, 20" high from substrate to rim
2. 330W (6x55W) of 6700K PC light with AH kit sitting 6" above water line.
3. 100% Aquasoil with a peat bottom total 3" deep.
4. 100% RO/DI water with weekly 50% water change.
5. Pressurized CO2 using glass diffuser at about 8 bubbles/sec.
6. Greg Watson ferts: nitrate, potasium, phosphate, CSM, and iron.
7. Fluval FX5 canister filter.

Any help or suggestion is greatly appreciated.
Thanks in advance.
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post #2 of 9 (permalink) Old 08-18-2008, 11:47 PM
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what are your water parameters? (ph, gh, kh, etc)
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post #3 of 9 (permalink) Old 08-19-2008, 12:12 AM Thread Starter
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Quote:
Originally Posted by chris127 View Post
what are your water parameters? (ph, gh, kh, etc)
I don't know? I stopped taking those tests because I'm using soft substrate and 100% RO/DI water and just assume everything is soft.
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post #4 of 9 (permalink) Old 08-19-2008, 12:25 AM
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I have found that my own assumptions are usually at fault when I have problems. It sounds like you have everything in order, but you aren't seeing the results that you desire. Take a look at all of your parameters again (co2, ferts, water params, etc) and double check that everything is where you believe it needs to be

Mike


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post #5 of 9 (permalink) Old 08-19-2008, 12:30 AM
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Im going to guess that your KH and GH are too high


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post #6 of 9 (permalink) Old 08-19-2008, 01:15 AM
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also check your water temps. temps above 77 or so and mine start to brown out as well.
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post #7 of 9 (permalink) Old 08-19-2008, 01:53 AM
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Setaceum can be a hard plant to get to know.
Check the TDS of the RO and the tank if you have a meter.

Low KH.
Lots of C02
Added peat is a necessity.

Assuming all nutrients and C02 are in order; what about 02?
do you aerate the tank? if no then you should -daily-

Setaceum is a "Pipewort" a bog plant, acidic and usually
found in humid conditions.
http://en.wikipedia.org/wiki/Image:L...itt_Moor-2.jpg
Cool wallpaper

Try to keep the temps steady.

Craig

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post #8 of 9 (permalink) Old 08-19-2008, 04:00 AM Thread Starter
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My RO/DI water reservoir is reading 0ppm with the TDS meter.
The tank is currently reading at 391ppm and it is right on schedule for a water change tomorrow.
The temperature is at 84F at the end of the day with 8hr of lighting.
I never aerate the tank. So should I run an airstone during the night hours?
As for the temperature, the tank does not have a heater. My fish room and the lights are creating the heat. But if this is the case, then I will have to give up on this plant. I can't justify a chiller for just one particular plant. Then again, I might just do it when I'm in a good mood.
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post #9 of 9 (permalink) Old 08-19-2008, 04:26 AM
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I try to keep my TDS 200 or less but that won't kill the plant.
Poor C02 will.
Check your diffuser thread.

Craig

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