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Plants have stopped growing - your advice please?

This is a discussion on Plants have stopped growing - your advice please? within the Beginner Planted Aquarium forums, part of the Beginner Freshwater Aquarium category; --> Jeff, I do 25% water change once a week. I go 50% for situations like this. Did you see that I dosed the tank ...

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Plants have stopped growing - your advice please?
Old 03-15-2013, 11:29 AM   #11
 
Jeff,

I do 25% water change once a week. I go 50% for situations like this. Did you see that I dosed the tank with KH2SO4 too? Once, the recommended dosage. And Seachem Equilibrium has Potassium in it. So, looks like several 50%s Tomorrow's tank day.

Steven
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Old 03-15-2013, 11:58 AM   #12
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Yah, lots of extra stuff. Get the water clear, maybe even go to 80%, then you can work it up from there.

Jeff.
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Old 03-15-2013, 01:05 PM   #13
 
Extra potassium is harmless so I would not worry about that. IMO you should increase light and probably swap out substrate. I would do substrate first then wait a week or two before increasing light.
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Old 03-15-2013, 01:31 PM   #14
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Originally Posted by Mikaila31 View Post
...IMO you should increase light and probably swap out substrate....
"Swap out substrate"... Love it, sounds like changing a filter media.

So potassium isn't like iron where too much can be a problem? Didn't know that.

Jeff.
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Old 03-15-2013, 03:12 PM   #15
 
Thanks.

Steven

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Old 03-16-2013, 12:17 AM   #16
 
The biggest remaining issue: the Cyanobacteria/Blue-Green Algae problem. I have read about many different methods, none of which I like much except physical removal (I have an 1/8" inner diameter clear plastic hose that works pretty well) and water changes. Jeff, it sounded like there was one method that you favored, if so, I would like to hear about it.

It sounded from one post I read that there are underlying issues that are fueling the cyanoB. I think I have moderate but good water movement in the tank - I certainly have the capacity to increase it by sliding the control on the filter. I don't think that water changes are the end-all, but I'm hoping they will help. Bottom line is I have to get the plants growing again and outcompeting the Cyanob. How to do that I'm not sure, but water changes and the attendant increase in KH can't hurt. And we'll see how things are affected by 2x 10w CFLs too.

I'm still looking for feedback, especially re the Cyanobacteria treatment. btw, Erythromycin/Maracyn doesn't knock out all the bacteria in the tank? Thanks.

Steven
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Old 03-16-2013, 12:22 AM   #17
 
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"Swap out substrate"... Love it, sounds like changing a filter media.
You don't really change filter media tho

I honestly wouldn't worry about KH too much. You should have plenty of calcium for the plants with what you are adding. Erythromicyin is harmless to filter bacteria if that is what you are asking.

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Old 03-16-2013, 12:30 AM   #18
 
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You don't really change filter media tho
I wash the sponge out in tapwater once a week.
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Old 03-16-2013, 08:23 AM   #19
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You don't really change filter media tho

I honestly wouldn't worry about KH too much. You should have plenty of calcium for the plants with what you are adding. Erythromicyin is harmless to filter bacteria if that is what you are asking.
It's not for the calcium, it's for the carbon. Easier than doing CO2. It is something that can be changed without being detrimental to anything.

Jeff.
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Old 03-16-2013, 09:32 AM   #20
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Originally Posted by Nemo the Clownfish View Post
The biggest remaining issue: the Cyanobacteria/Blue-Green Algae problem. I have read about many different methods, none of which I like much except physical removal (I have an 1/8" inner diameter clear plastic hose that works pretty well) and water changes. Jeff, it sounded like there was one method that you favored, if so, I would like to hear about it.

....
I'm still looking for feedback, especially re the Cyanobacteria treatment. btw, Erythromycin/Maracyn doesn't knock out all the bacteria in the tank? Thanks.

Steven
I've not dealt with BGA there was another thread about that this week. I think there were lots of suggestions there.

Jeff.
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