Caution for Flourish Excel users

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mountain_webste

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May 2, 2007
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Apologies in advance for a bit of a double post, but I thought I'd share a bit of info I received from Seachem that was news to me. Maybe it will help you avoid repeating my unfortunate experience and some good will come from my loss of some favorite fish.

Long story short, 24hrs after a water change I discovered a fish kill where I lost approximately 20% of my fish. I had always dosed excel at an increased level during water changes. I ended up contacting Seachem at the prompting of another member here on the forum. Seachem stated that excel acts as an O2 reducer as do water declorinators. The combination of water treatments, at the same time, likely combined to reduce the O2 levels enough to cause the deaths. They recomended waiting a day after a water change to dose excel.

Here's a link to the original thread if you're interested in the long story:

http://www.aquariacentral.com/forums/showthread.php?t=232193
 
thats good to know, I already knew about dechlornators reduce O2 when I do a wc, so during the wc I run my air pumps wide open. Then come to flourish excel I try to schedule the wc and the dosing of it on different days, so I should be safe there as well. Of course I didn't know that it reducce the O2, so thanxs for the heads up on that. :)
 
sulfates and gluteraldehyde....
 
Thank you so much for the heads up!! Holy cow I've been dosing with Excel every time I do my weekly water change. Thank God all my fish survived but you know I did notice that they didn't like it but I thought it was just something new, they weren't happy with. :uhoh: I've got 2 Aqua clear 70's running full blast, on my 60g. which is probably what saved them. Definitely changing my dosing schedule. Thanks again!!! :bowing:
 
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