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-   -   Flourish Excel and Duckweed (http://www.tropicalfishkeeping.com/beginner-planted-aquarium/flourish-excel-duckweed-67370/)

DKRST 04-07-2011 05:52 PM

Flourish Excel and Duckweed
 
Anyone know if Flourish Excel kills duckweed?
Mine has died and I don't know what else it could be.

SinCrisis 04-07-2011 08:04 PM

When i overdosed it in one of my small tanks it wiped out all my duckweed, but my other tank gets excel regularly and the duckweed is doing fine. Not sure if that helps.

lorax84 04-07-2011 08:14 PM

I did not know it was possible to kill all of you duck weed. Mine wont go away

DKRST 04-07-2011 08:59 PM

Quote:

Originally Posted by SinCrisis (Post 641982)
When i overdosed it in one of my small tanks it wiped out all my duckweed, but my other tank gets excel regularly and the duckweed is doing fine. Not sure if that helps.

Actually, Byron had a good hypothesis regarding the water nutrient level (I used some ammo-carb to lower the tank ammonia in an emergency situation) and I think I removed the water column nutrients. The strange thing is, a small amount was alive after I removed the chemicals form my canister filter but died even though I resumed dosing Flourish Comprehensive.

I don't overdose excel, I'm maintaining Val and it doesn't like overdosing! I don;t even dose the replacement water at the specified level, just 6ml/day


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