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Old 02-17-2012, 05:20 PM   #1
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High Tech Planted Questions

So I have two Amazon Swords that are starting to have some problems. The progression of the problem starts with a brown spot appearing, then it speads over the whole leaf, then the entire leaf and stem turns yellow, then it turns transparent. Some of the other leaves on the sword are forming little tiny holes and look kind of bubbly (if that makes sense). Someone told me that this was due to an Iron overdose which I find a little hard to believe. I have also put a root tab near each sword. I have Flourish but haven't really been using it because i don't know what to do. All other plants in my tank are doing great. There are some more details below. I will try to get some pictures once I get home from work.

Tank:
67g (36L X 18W X 24H)

Substrate:
Combo of black gravel and Flourite

Lights:
wave point triple T5HO 36" (6500K)

Plants:
Dwarf Sag
Wisteria
Java Fern
Amazon Sword
Didiplis Diandra

Ferts:
Flourish (only used occasionally)
API CO2 Booster (used daily)

I just don't want to start loosing my plants! Thanks for the help in advance!

Edit: This tank is also in the process of doing a fish in cycle (currently only a clown pleco,2 peppered cory, 2 platys, 1 small ramshorn snail, and 1 nerite snail). I'm using Seachem Stability to help with the cycle.
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Old 02-17-2012, 07:24 PM   #2
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Here are some pics. Sorry for the fuzzyness, there's algea on the glass.
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Old 02-18-2012, 12:13 AM   #3
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From my experience with swords, it actually sounds like a lack of iron or potassium. Their leaves will yellow out with spots. Having said that, your substrate and lights sound good. Maybe try dosing flourish 2 week. Are the plants relatively new? They need to adjust to your tank parameters. Some of my leaves underneath are wrinkled but the overall plants doing well. Try giving them time. Hope I helped.
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Old 02-18-2012, 02:12 AM   #4
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Quote:
Originally Posted by mohican
From my experience with swords, it actually sounds like a lack of iron or potassium. Their leaves will yellow out with spots. Having said that, your substrate and lights sound good. Maybe try dosing flourish 2 week. Are the plants relatively new? They need to adjust to your tank parameters. Some of my leaves underneath are wrinkled but the overall plants doing well. Try giving them time. Hope I helped.
Thanks for the help the plants have been in the tank for about a month. Do you think I should get the flourish iron? Right now I just have the regular flourish which doesn't contain much if any iron if I remember correctly.
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Old 02-18-2012, 09:53 AM   #5
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Sure. I dosed with iron, still try to. Just trim off the bad leaves and hopefully they'll come around. Mine are never perfect but still produce new leaves so I know they're doing well.
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Old 02-18-2012, 11:01 AM   #6
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Just looked at your pics and I see what's wrong my friend. Amazon swords and most of the plants available unless grown by another hobbyist are grown emersed in plant nurseries . (see link) http://www.freshwateraquariumplants....ntsgrowth.html. After you trim off the emersed growth the plant will soon start to put out submerged more desirable growth. I've been to a plant nursery in Florida before and it's really interesting the differences in emersed/submersed growth between species how dramatic the changes can be. Some look like two totally different plants(ex. Cardinal plant, lobelia cardinalis). The plant puts alot of energy into saving the dying leaves so get rid of them so the plant can focus on the growth you want
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Old 02-18-2012, 03:16 PM   #7
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Check your nitrate levels and tell us what they are. You have some fast growing plants, low bioload, and high light. It's entirely possible that the fast growing stems are sucking up the nitrates, leaving very little behind for the slower growing plants.
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Old 02-18-2012, 06:54 PM   #8
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Quote:
Originally Posted by aqua_chem
Check your nitrate levels and tell us what they are. You have some fast growing plants, low bioload, and high light. It's entirely possible that the fast growing stems are sucking up the nitrates, leaving very little behind for the slower growing plants.
So this test was taken about 15 min ago. Looks like 7.4/0/0/0 to me.
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Old 02-18-2012, 08:14 PM   #9
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Did you shake he crap out of your nitrate test kit first?

Barring that, thats your problem. Nitrogen deprivation causes old growth to first turn yellow, and then melt. It can also cause stunting or small growth.
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Old 02-18-2012, 08:24 PM   #10
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Quote:
Originally Posted by aqua_chem
Did you shake he crap out of your nitrate test kit first?

Barring that, thats your problem. Nitrogen deprivation causes old growth to first turn yellow, and then melt. It can also cause stunting or small growth.
Yeah i dont think i could have shaken it any more. Its a new tank so it is still cycling. Once i can get this tank cycled will everything level out?

Is there anything I can use to help supplement the nitrogen until the tank stabalizes?
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