I think the plants were dosed with high amounts of Cu2+ , else check for dragonfly nymphs? Some may hitch-hike in



It took me 2 months to finally move my aquarium from the old house to our new one. I was delighted to finally be reunited with my babies and even bought new plants for them to enjoy, my happiness quickly turned to horror when my shrimp colony, the colony that I have worked so hard to build in a year got decimated overnight! These was no hint of trouble when I went to bed and got biggest shock of my lifetime when I saw the countless lifeless bodies this morning!
The only change done before this was me planting the newly bought plants, I suspect that the plants had some pesticide or some chemical that the shrimps are sensitive with, the fishes are all still doing great.
So memo to all of you to be more careful and diligent of the plants you buy and if possible, quarantine them for a few weeks before dipping them in your main aquarium.
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I think the plants were dosed with high amounts of Cu2+ , else check for dragonfly nymphs? Some may hitch-hike in



It could well be the case, I should have asked the lady boss, If the plants have already been quarantined, the ones I bought looked fresh from the farms.
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Hi Ashnia, I understand your feelings. .... my colony of shrimps wiped out within a day,due to introduction of a new plant as well... i learn it the hard way too
Check out my Blog on planted tank, good for newbies ( i am lazy to retype all the info i know, so please click and read below link... i hope you don't fall asleep while reading)
Link to my Blog
I am not PERFECT but I am LIMITED EDITION !!!BIG Tank comes with BIG Responsibility...as they makan a lot of $$....lol



If you suspect that residual plant pesticides or chemicals were the cause of your shrimp deaths, and since there are no more livestock in the tank, you should do a 100% water change (2 x 50% water changes still means 25% of the chemicals are still in the water).
Then put a pack of good quality activated carbon (ie. Seachem Matrix Carbon or other similar brands) into your filter and run it for 1-2 weeks to adsorb and remove the remaining chemicals/pesticides. Its basically the same process like removing medications after treatments.
Once that is done, introduce a few cheaper shrimps to "test water" first, if they are okay then gradually introduce more shrimps back into the tank in stages.



Thanks UA I've changed 50% water again, but that wont help much anymore as the whole colony is gone, thanks for the advice, Ill be adding a bag of purigen and 2 bags of carbon and will continue with the daily 50% water change for 2 weeks. To be on the safe side.
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