What's happening to my plant? - Staugoryne repens - Page 4 - The Planted Tank Forum
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post #46 of 54 (permalink) Old 04-18-2014, 03:40 PM Thread Starter
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Hi guys, I'm going to bring this old thread back up!

I no longer have s.repens in my tank because basically it ALL melted away. I have replaced with a different foreground plant and I am happy

But. What did cause our s.repens to melt? What do we all have in common that may have affected this plant?

I used Flourish Excel as a supplement to my pressurised CO2; I dose fertilisers using EI and there is plenty of flow and filtration.

How about the SOURCE of the plant - which company name was on the plant pot when you purchased them. Mine arrived in a little pot advertised Tropica 1-2-Grow!

Let me know,

Planted Tank Enthusiast

80L Opti White heavily planted open-top tank: JBL CristalProfi 1501e containing a range of filter media; EI dosing; pressurised CO2 with Lily Pipes and Surface Skimmer; Finnex Planted+ LED Light. Neons, Embers, Pygmy Corys, Amano's and Oto's ..and I'm in love with it.

If I have helped you or require further information / advice, then please do not hesitate to drop me a message!
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post #47 of 54 (permalink) Old 04-30-2014, 03:54 PM
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had a few plants do this to me yesterday. Changes I made recently were
1. adding shrimp
2. slower 24/7 CO2 as apposed to scheduled more intense CO2
3. dosing extra phosphates for GSA
4. cleaning my filter, swapped out purigen bags

Had a nitrite spike after cleaning the filter (user error) and had to combat with a large Prime dosing.

I know a lot of variables but maybe an intersect somewhere there.
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post #48 of 54 (permalink) Old 04-30-2014, 07:08 PM
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For Dannyul, my first question is why you are dosing Excel if you're using pressurized CO2. I have Starogyne repens in my aquarium and it's doing pretty well. I don't get fast growth, but it is growing and spreading. Well, as much as it can in my aquarium, I need to do some plant removal to create some more space for it. I have a 55 gallon with medium light (a 48" Marineland Double Bright and a 48" Current Satellite LED+) on for 10 hours a day, no CO2 and only occasional dry fert additions. It seems to be working for me so far for the last six or eight months.
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post #49 of 54 (permalink) Old 05-05-2014, 03:44 PM
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As an experiment I moved the 'melting' plants around the tank and planted them in the middle of healthy s repens. After a day or two I noticed the same 'melting' occurring on the once healthy plants surrounding them (but not to the extent of the original plants).

Since then I have been either removing the melting leaves or discarding the plant entirely depending on how far gone they are and it seems that I have reduced the melting considerably. Over the weekend I only found a couple leaves effected where earlier in the week it was about 5 entire plants.
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post #50 of 54 (permalink) Old 05-05-2014, 08:19 PM
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Very interesting r45t4. That would strongly argue that the plants are detecting the melting in nearby stems and it causes melting. Or possibly that it is a disease (which seems doubtful since it sometimes appears months after introducing the plants).

Seems likely that it is something along the lines of rotting apples cause other apples to rot.
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post #51 of 54 (permalink) Old 05-05-2014, 08:22 PM
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I had this happen to me as well but it's more of an annoyance that the leaves are shed (and a real PITA to clean up all of the floating leaves) the stems stay healthy and regrow though so it's not that big of a deal. The patch of staurogyne growing in my tank is where I dump in my water when I do my water changes. I don't wait for water temps to equalize so maybe it might have to do with a sudden temp change?

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post #52 of 54 (permalink) Old 05-05-2014, 08:40 PM
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I wonder. Might be interesting to try that out though wouldn't shipping cause rapid temperature changes and cause melting every time they are posted?
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post #53 of 54 (permalink) Old 05-05-2014, 11:49 PM
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Has anyone seen this apple rotting effect happen with other plants apart from S.repens? Seems strange if it would be unique to one plant. I'm curious as these findings are very helpful in case people want to prevent contamination.
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post #54 of 54 (permalink) Old 05-05-2014, 11:51 PM
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I think crypt melt might also do something similar, though I haven't read of anyone testing it out by placing a melting crypt next to a healthy one and inducing melting.
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