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Old 01-08-2020, 08:48 AM   #1 (permalink)
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Default Plant Stem Melting

I have an Alternanthera Rosanervig that has been doing great for about 4 months. Color and growth have been great. However recently several of the stems have melted completely through. The plant still looks good and I've replanted the stems that broke off. Any one have any thoughts to what's causing this? Tank specs below.

125g
ph: 6.40 - 6.45
co2: pressurized (diy co2 reactor)
kh: 5dkh
temp: 78
Iron: weekly
Thrive: 7 pumps weekly
Exel: Added weekly after water change.
Lighting: 4 Kessils (50% power)
Water changes: 40%-50% weekly
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Old 01-08-2020, 10:38 AM   #2 (permalink)
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Default Re: Plant Stem Melting

What kind of iron are you using? I noticed the same when I planted it from tissue culture...the adapting to underwater caused half to melt..what's left is growing strong for the little time I've had it.
I use Seachem Iron. Works wonders and the gluconate is an algaecide. Nice bonus.
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Old 01-08-2020, 12:03 PM   #3 (permalink)
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Default Re: Plant Stem Melting

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Originally Posted by Stan510 View Post
What kind of iron are you using? I noticed the same when I planted it from tissue culture...the adapting to underwater caused half to melt..what's left is growing strong for the little time I've had it.
I use Seachem Iron. Works wonders and the gluconate is an algaecide. Nice bonus.

The Seachem Iron is what I use. I've experienced melting before, but only on newly added plants. This plant has been in the tank for several months. I probably need to kick up the lights a bit and/or add more Thrive.
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Old 01-13-2020, 04:25 PM   #4 (permalink)
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Default Re: Plant Stem Melting

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Originally Posted by rduhb View Post
The Seachem Iron is what I use. I've experienced melting before, but only on newly added plants. This plant has been in the tank for several months. I probably need to kick up the lights a bit and/or add more Thrive.
I'd say this is key. add some more light and see how that works.
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