Plants are just melting away - The Planted Tank Forum
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post #1 of 6 (permalink) Old 07-09-2020, 12:15 PM Thread Starter
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Plants are just melting away

So in my 30g I had a bunch of Amazon broadleaf plants that were doing great up until 3-4 weeks ago. They started to turn yellowish and started to melt away. I do my water changes every 2-3 weeks, no co2, I use Thrive for fert and my nitrates are at 10-20ppm.

I went from fully stocked to having almost nothing in my background now. The only other plants in there are some anubias and ferns. some ferns are starting to break apart. any ideas/suggestions?
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post #2 of 6 (permalink) Old 07-09-2020, 03:22 PM
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Iron and/or phosphate deficiency?

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post #3 of 6 (permalink) Old 07-09-2020, 04:32 PM Thread Starter
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Originally Posted by Bunsen Honeydew View Post
Iron and/or phosphate deficiency?

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Mine more look like #7 and the "holes" they have is better described as sheer lace type. If that makes sense. My nitrates were around 5ppm at one point when all the plants were growing nicely. I just tested now and the nitrates are increasing to high levels since there are no plants in there.

Someone did mention they think it could be the plecos eating it up too. He said his did the same thing and his looked exactly like my plants. That could be a problem as well. I ordered more plants but they're not broadleafs so we'll see how those go. If those die off quick then it has to be something else and not my innocent looking plecos.
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post #4 of 6 (permalink) Old 08-12-2020, 05:45 PM
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If these were new, emersed grown swords, the old leaves naturally melt and aquatic leaves replace them. It's normal. If these were established plants, then nutrient defficiency. With the new plants, maybe shove a root tab nearby for that warm, fuzzy feeling.
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75g...medium tech...?
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post #5 of 6 (permalink) Old 08-12-2020, 06:20 PM Thread Starter
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If these were new, emersed grown swords, the old leaves naturally melt and aquatic leaves replace them. It's normal. If these were established plants, then nutrient defficiency. With the new plants, maybe shove a root tab nearby for that warm, fuzzy feeling.
After I did my last trimming of the dead leaves (which was alot), I purchased liquid potassium. I've been adding that twice a week with the liquid ferts and so far so good. The melting has slowed down a lot. There's maybe 1-2 leaves that started to melt but almost stopped when i started treating the tank with Potassium.

I also purchased some new plants that aren't swords and they're doing good as well. I have to order more ferts soon so I'm going to also look into the fert tabs.
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post #6 of 6 (permalink) Old 08-12-2020, 06:46 PM
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Potassium is by far the most under rated aquarium fert!

75g...medium tech...?
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