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post #1 of 3 (permalink) Old 06-30-2019, 09:51 PM Thread Starter
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How to fix this situation

Hello,

A little backstory to my situation:
About a week ago maybe a little longer, my tank had a co2 overdose, not an end of tank dump just a ton of co2 built up in the water in my reactor without me realizing it while I had the filter off doing maintenance.
From what I could tell I saved all of my fish after realizing they were almost dead, only I didn't and one corydoras habrosus died from it in one of my stem jungles unknown to me.
The next day it looked like my tank had crashed almost all of my plants were either melting or just looked like they were dying and the tank water smelled weird, not bad just weird.
I checked all of the water parameters I have access to and nothing was out of the ordinary, 0 ammonia 0 nitrite ~10 nitrate after dosing kh&gh were the same as always and PH was unreadable because of the co2 being on but the drop checker looked good.

Fast forward to today and I'm looking at my tank still wondering what is causing this massive melt and I see it, in one of the stem jungles the remains of a cory which I assume died because of the co2 overload.

Could a dead fish be the cause for my mass plant melt?
Growing in the melting plant leaves is a weird white hair/thread algae that isn't growing anywhere that isn't melting, is this because of an ammonia source in the tank?

Now that I've realized the death and removed the dead fish will the plants stop melting or is everything likely to just keep melting?

What steps are recommended to fix this issue?

Thanks
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post #2 of 3 (permalink) Old 06-30-2019, 10:46 PM
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Dang, I'm sorry that happened. I've gassed no fewer than 4 tanks to the point I lost every fish in them and plants went right along like nothing happened. Far from empirical evidence, but that leads me to believe that CO2 poisoning is much easier to achieve in fish than plants (well, at a much lower concentration). I've also had many, many fish die the size of a cory cat or larger that went unnoticed until they had decayed. I found a bushy nose pleco's skull in a 30 gallon once and it didn't seem to impact plants. So while there's going to be a nutrient spike while a body decays, I'd suspect nuisance algae would be more likely than vascular plants just dying on their own. To answer your last question, I'd suggest what I'm guessing you've already done which is a series of water changes.

Nothing good happens fast in an ecosystem.
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post #3 of 3 (permalink) Old 06-30-2019, 11:02 PM Thread Starter
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Quote:
Originally Posted by Blue Ridge Reef View Post
Dang, I'm sorry that happened. I've gassed no fewer than 4 tanks to the point I lost every fish in them and plants went right along like nothing happened. Far from empirical evidence, but that leads me to believe that CO2 poisoning is much easier to achieve in fish than plants (well, at a much lower concentration). I've also had many, many fish die the size of a cory cat or larger that went unnoticed until they had decayed. I found a bushy nose pleco's skull in a 30 gallon once and it didn't seem to impact plants. So while there's going to be a nutrient spike while a body decays, I'd suspect nuisance algae would be more likely than vascular plants just dying on their own. To answer your last question, I'd suggest what I'm guessing you've already done which is a series of water changes.
Thanks, yeah it's a learning experience for sure.

I still don't know what the algae is for sure, when this all started happening it appeared overnight and was covering the plants that looked to be melting, however now that you bring it up I wonder if the plants are even melting or if they are being killed by this algae.
The reason I say it is that this melt isn't like a crypt melt that I've had in the past, for example my hygrophila corymbosa compact and staurogyne repens leaves turned into a grey/white mush with this pure white thread/hair algae growing in the mush mass.

I started doing 2x a week water changes last week due to the unknown reason for my issue, I may start doing daily or 3x a week water changes until this mess clears up.
My fish are fine, but my plants not so much.
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