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post #1 of 6 (permalink) Old 07-27-2009, 06:50 AM Thread Starter
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Flourish Question

So, I accidentally dosed flourish, not flourish excel and my two ammano shrimp are dead. I dosed for all three days I had them.

I know flourish contains copper. Do you think that killed them?

Does flourish excel contain copper?

Also, does the copper in the flourish excel harm snails?

Should I change out water to get as much of it as possible out of the system?
I want to be able to keep shrimp. Will this be possible after the water changes?
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post #2 of 6 (permalink) Old 07-27-2009, 07:14 AM
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Originally Posted by Discofruit View Post
So, I accidentally dosed flourish, not flourish excel and my two ammano shrimp are dead. I dosed for all three days I had them.

I know flourish contains copper. Do you think that killed them?
No, except you were dosing very high amounts. I used Flourish (twice a week, regular dose) for quite a while and never lost any shrimp.

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Does flourish excel contain copper?
Only Seachem knows. They are pretty vague about what is in Excel. But I'd assume they'd tell us if they used a lot of copper. I have used Excel in shrimp tanks, and so have many others.

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Should I change out water to get as much of it as possible out of the system?
A water change won't hurt. But don't overdo it. Shrimps are not huge fans of large water changes.

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I want to be able to keep shrimp. Will this be possible after the water changes?
Yes.


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post #3 of 6 (permalink) Old 07-27-2009, 07:25 AM Thread Starter
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Thanks so much Aquarist Fist!
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post #4 of 6 (permalink) Old 07-27-2009, 03:45 PM
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How much did you dose?
What size is the tank?
How long have you had the shrimp, three days?

I'm thinking it's not at all related.

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post #5 of 6 (permalink) Old 07-27-2009, 11:07 PM
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Flourish is very concentrated. If you dosed daily that is a big overdose. If you dosed above the normal amount then that makes it even more likely. There is copper in it, but it has very small traces (.0001%). I buy the 2l bottles, and it is right on the side.

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post #6 of 6 (permalink) Old 07-28-2009, 05:18 AM
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Quote:
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I know flourish contains copper. Do you think that killed them?
There is such a tiny amount of copper. Seachem's recommended dose adds 0.00002% copper.

Plus the copper is chelated which makes it much less toxic.

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Originally Posted by Discofruit View Post
Does flourish excel contain copper?

Also, does the copper in the flourish excel harm snails?
There is no copper in Excel.

From: https://www.plantedtank.net/forums/aq...nted-tank.html

From Mustafa Ucozler's article and I quote:
"... one of the most common questions that planted tank enthusiasts ask is if it is safe to fertilize shrimp tanks as most trace element fertilizers contain minute amounts of copper. I have personally used both Seachem Flourish and CSM+B on all of my shrimp tanks and I can guarantee you my shrimp are not adversely affected by these fertilizers. Recently, I have bought chemicals from Greg and mixed my own plant fertilizer solutions, which I am now using to fertilize all of my shrimp tanks and it is working wonderfully. Aside from the fact that there are really minute amounts of heavy metals in our fertilizers, the reason why heavy metals like copper or iron do not affect the shrimp is because fertilizers contain them in their chelated form. Chelated metals are a lot less toxic to living organisms than free metals. In fact, all of the commercial “detoxifiers” that I am aware of use some sort of chelation to “detoxify” heavy metals. Your fertilizers have this detoxification already built in!"

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