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Old 01-08-2014, 11:03 PM   #16
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Quote:
Originally Posted by mheat View Post
My pH swing a lot which almost 1 degree during the day with and without CO2 injection. Does it also affect the rotala?
No.
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Old 01-12-2014, 05:13 PM   #17
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Here I post some pictures after one week.

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Old 01-12-2014, 08:07 PM   #18
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Well they have certainly grown quite a lot. The pictures are too far away for me to make out if the plants are recovering. Are they? And did you have the skimmer turned down the whole time?
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Old 01-12-2014, 09:42 PM   #19
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Looks pretty good in these pics. You're even getting some good coloration at the growing tips.
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Old 01-13-2014, 02:17 AM   #20
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I turn on the skimmer 2 times a day. 1 during night time, 1 before turning on the CO2. Each time about 10 min. I use the skimmer meanly because I have some bad BGA which make the water surface a lot of tension or bio film. Co2 bulbs cannot not burst when reach the surface.
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Old 01-17-2014, 03:18 PM   #21
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I still cannot confirm that the crease line is caused by the strong current from my skimmer or AC30 filter. 2 weeks after I moved the skimmer and turn down the filter, I still find some curved or wavily leaves right after the new grow tip. The rotala leaves have no movement even I turn on the skimmer because the HM on the right block all the current. I see most of the wavily leaves appear on the tall ones, and the lower ones have less effect. I am still looking for answer. I am going to trim all the rotala with crease line this weekend and start over again.

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2 weeks ago, I cut some stems and move them to my 20G low tech community tank. No Co2, very low ferts, low light. The rotala looks healthy without any crease line.

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Old 01-17-2014, 08:17 PM   #22
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Very strange indeed especially since the rotala you moved to another tank shows no sign of the lines. If the problem isn't from mechanical damage then it is new to me.

What are the differences between the two tanks?
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Old 01-20-2014, 03:22 AM   #23
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5g tanks is a high tech tank with CO2, more fert. 20G tank is low tech tank, no Co2, low fert. There are a lot of pearling on my rotala in the 5G tank, none in the 20G tank. Most of the pearling appear on the tall stems which almost reach the surface, and those have more crease lines. While the low stems without pearling have no crease lines. Is the pearling effect making the damage, but that does not make sense.
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Old 01-20-2014, 02:48 PM   #24
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I cut off those leaves with crease line. Maybe try to up the TRACE for the next 2 weeks to see what happen.

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Old 01-20-2014, 07:30 PM   #25
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Let us know.
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Old 01-21-2014, 04:38 AM   #26
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You need to pay more attention to your Otos. The Otos suck on the leaves and in the process, the leaves bend and break. That's why it's broken at the tips. I hope I solved this mystery for a bunch of people with this problem.
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Old 01-21-2014, 04:48 AM   #27
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Off topic but I really like your tank, its so peacful and it looks like if you were to walk in it it would be like a meadow.
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Old 01-21-2014, 05:01 AM   #28
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Quote:
Originally Posted by Solcielo lawrencia View Post
You need to pay more attention to your Otos. The Otos suck on the leaves and in the process, the leaves bend and break. That's why it's broken at the tips. I hope I solved this mystery for a bunch of people with this problem.
An interesting idea.

Honestly, my gut feeling is that it is mechanically caused whatever that mechanical process may be (fish/filter/etc). A lack of nutrients just makes no sense, especially since aquasoil is being used.
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Old 01-21-2014, 06:41 AM   #29
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The thiner the leaves, the more likely the Oto's will break the tips when they're eating off it. No Oto's, no broken leaves. Just remove the Oto's.
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Old 01-24-2014, 04:42 PM   #30
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I am very appreciate all your ideas and advises to help me solve this mystery. I found the rotala that I transferred to my low tech tank 3 weeks ago still grows very well without any lines on it. That low tech tank is nearly nothing in it except I maintain the GH to 4 by adding Seachem Equilibrium and occasionally dosing some K. The leaves are smaller, but looks healthy. I have 3 otos in this tank (20G), but never see them suck on the rotala leaves. My next test will transfer my 2 otos in my high tech tank to the low tech tank after my current test which is up my iron and trace for 2 weeks.

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