Help !!! Plants melting? - The Planted Tank Forum
 
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post #1 of 14 (permalink) Old 01-08-2014, 04:10 PM Thread Starter
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Help !!! Plants melting?

Hi all,
Currently my 44gal tank is cycling (fishless).
Dosed Ammonia 4ppm on Monday. After 48 hrs here are the water params:
Ammonia : less than 0.25ppm
Nitrite : 5ppm or more
Nitrate : 40ppm or more
Low light - 6500K , 2x28W T5 Flourescent tubes
substrate : jbl manado + seachem root tabs
flourish excel dosing once every 2 days.

I added plants 10 days back. here is the list:
Dwarf Sagittaria
CERATOPTERIS THALICTROIDES
BACOPA CAROLINIANA
CERATOPHLLUM DEMERSUM
HYDROCOTYLE LEUCOCEPHALA
HYGROPHILA POLYSPERMA “GREEN” (i think that is is large leaves type)
LIMNOPHILA INDICA
ROTALA ROTUNDIFOLIA “GREEN”
ROTALA ROTUNDIFOLIA “RED”
SAGITTARIA SP. (NARROW LEAF)
VALLISNARIA SPIRALIS

all plants seems to be growing new leaves.
Today, i noticed that there is a sudden change in the health of HYDROCOTYLE LEUCOCEPHALA. Pls refer to the pictures:




The leaves appeared okay 24 hrs back.
Can anyone let me know what could be the cause of this? Is it due to high nitrite/nitrate or some nutrient deficiency? Or probably, is it normal for newly planted HYDROCOTYLE to melt after a week and then grow normally afterwards?
Please help !


Also, the bottom portion of ROTALA ROTUNDIFOLIA is melting right from the 3rd day of planting. probably unfit for low light tank?

Last edited by svkr2k; 01-08-2014 at 04:25 PM. Reason: corrected
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post #2 of 14 (permalink) Old 01-09-2014, 06:07 PM
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looks like they are just getting use to your tank water. Trim the dead ones and give them time to establish in the tank.
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post #3 of 14 (permalink) Old 01-09-2014, 08:18 PM
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+1 Not at all unsual for plants to go thru a bit of a melt-down, lose older leaves etc when they're transplanted. Having new growth is a sign that the plants are doing well overall.
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post #4 of 14 (permalink) Old 01-09-2014, 08:36 PM
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It looks like the leaves are emersed grown. I've seen hydrocotyle melt when submersed they regrow leaves with time. I also tried collecting wild hydrocotyle and submersing it. Not all species are truly aquatic.
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post #5 of 14 (permalink) Old 01-09-2014, 08:50 PM
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some plants will get worst before they get better upon new planting. the trick is not to touch them not to move them. let them adapt

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post #6 of 14 (permalink) Old 01-10-2014, 04:42 PM Thread Starter
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Thank you for the suggestions.

the bottom portion of all ROTALA ROTUNDIFOLIA plants that i had became rotten and today, i removed them all. is it normal for this plant to melt or is it because of low light/ no fertilizer ?

All other plants seem to be healthy and infact growing after a week. I was happy to see vallisneria & saggitaria emerge from runners under the gravel.

I added Egeria Najas and HYGROPHILA DIFFORMIS after some research. Hope they do well in the setup.
Any suggestions?
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post #7 of 14 (permalink) Old 01-10-2014, 04:43 PM
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yes, they will melt when adjusting to the new water conditions
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post #8 of 14 (permalink) Old 01-10-2014, 04:48 PM Thread Starter
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Will HYGROPHILLA CORYMBOSA survive/thrive in a low tech / low light setup?
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post #9 of 14 (permalink) Old 01-10-2014, 04:51 PM
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hygro corymbosa is a very hardy plant. You shouldn't have much issue with it. I have a stem growing in a vase off natual sun light just fine.
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post #10 of 14 (permalink) Old 01-10-2014, 05:09 PM
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Need to see pictures of the melting rotalas - nice close up images like above to tell you for sure.

I find rotalas do not usually melt when moved. There may be another issue in the tank.
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post #11 of 14 (permalink) Old 01-10-2014, 05:21 PM
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he stated the bottom portion has melted, ALL of the rotala I put in my 3 tanks melted on the lower half, gave them a trim and had new growth in about 2 weeks.
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post #12 of 14 (permalink) Old 01-10-2014, 05:23 PM
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Quote:
Originally Posted by Italionstallion888 View Post
he stated the bottom portion has melted, ALL of the rotala I put in my 3 tanks melted on the lower half, gave them a trim and had new growth in about 2 weeks.
I know. But melted isn't a very descriptive word. The damage could appear on the leaf in any number of patterns and colors. The type of damage helps determine what the cause of damage is, which is why a picture is needed.

Melting leaves is not normal unless the plant is in emersed form and is then submersed. Even this type of melting is species specific. Not all plants will melt when submersed. Rotalas don't typically melt, especially not if they are already in submersed form. If melting occurs in that situation then there is usually a reason for it. Not enough light, nutrient deficiency, anaerobic substrate, etc... If your rotalas haven't fully recovered or continue to lose older leaves post a picture and I might be able to help you figure it out.
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post #13 of 14 (permalink) Old 01-10-2014, 05:33 PM
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going from high light to low light or low to high can cause them to melt. When he says melt, I just see the leaf turning brown and faling off. I agree we need to see pictures. If the plants were in the tank for months an are starting to melt then I would be inclined to agree there is something else going on. 10 days in the tank sounds pretty reasonable for it to be adjustment melt.
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post #14 of 14 (permalink) Old 01-11-2014, 03:21 AM Thread Starter
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Quote:
Originally Posted by Zapins View Post
Need to see pictures of the melting rotalas - nice close up images like above to tell you for sure. I find rotalas do not usually melt when moved. There may be another issue in the tank.
I had two types: rotola green and rotola red (actually not completely red, only the top portion was red).

rotola green had melted completely. i removed them all (about 6 stems). sorry, i dont have this picture.

rotola red showed good growth in the upper part with green narrow leaves, but the leaves in the bottom part were melting. Here is the picture. Pls notice that the small side-stems in the picture are new growth.


Quote:
Originally Posted by Italionstallion888 View Post
When he says melt, I just see the leaf turning brown and faling off.
Yes, you are right. 'melt' may not be the right word? (probably 'rotting' is right ?)



Quote:
Originally Posted by Italionstallion888 View Post
he stated the bottom portion has melted, ALL of the rotala I put in my 3 tanks melted on the lower half, gave them a trim and had new growth in about 2 weeks.
I too did the same yesterday. ;-)

Last edited by svkr2k; 01-11-2014 at 03:25 AM. Reason: corrected
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