cherry red massive die off :(:( HELP!

John & Jackie,

Oh, I agree! I'd like to know the GH and KH difference between the tanks, too.

FWIW I had 20 cherry shrimp die on me when I started fish keeping, almost the same way his did. They were 8$ each :sad:

Roan
 
Copper and chlorine are good suggestions, but wouldn't they affect the snails too? What kind of snails are they? If they are just as sensitive to copper and chlorine as the shrimp then you can rule them out.
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I was thinking along these lines as well, But snails can tolerate ammonia, nitrite and chlorine at detectable levels. I have kept snails alive in water with 2 ppm chlorine more than once. I do not know what shrimp will tolreate but I imagine it is far less than snails on the above listed pollutants.

dave
 
Shrimp need a fully cycled the tank (and I would say beyond fully cycled, like the tank has been up and running with fish making deposits to balance the tank ecology before putting in shrimp). They are also real sensitive to water additives like water dechlorinators. I only use water from established fish tanks for the shrimp to avoid any complications. However, I do have one tank that seems to support shrimp for maybe a month and then suddenly all the shrimp disappear (I never see any dead bodies, but there is a cloud of algae I purposes put in there for the shrimp to eat and I figure they go under there and die, same algae I put in the other shrimp tanks with no problem)--no predators, nothing new in there. The shrimp in all the other tanks are thriving and, as far as I can tell, nothing is different about the death tank except it doesn't seem to be able to support shrimp life including scuds.
 
just to followup on this, i tested copper the day after. It was at 0. I used the AP's liquid copper test kit. And the water was completely clear (no color). So really not sure what's going on still...

cherry red shrimps are extremely hardy, when i started my fishkeeping hobby 7 months ago, i had 6 cherry red shrimp in a biorb that went through hell (high ammonia/nitrite etc). And not a single one died, then they were moved to my 2 gallon unfiltered tupperware box along with 20+ new cherry reds i got from beviking here, again no death. They were moved several more times to a 10 gallon then back to tupperware etc (trying to juggle all the fish) with no deaths AT ALL.

After i sold all my fish, i put them in my 10 gallon tank for 3+ week and not a single death.

Finally moved them all to my 50 gallon tank. And within 24 hours ALL have died. Right now there is 1 single shrimp still alive.

No copper, no ammonia, no nitrite, no chroline/me, 10 ppm nitrate. All dead...

:pc: :pc: :pc: :pc:
 
It happened to me as well. Moved my shrimps from my 90G planted tank to my 20G planted tank, even took the water and plants from the 90G to the 20G. But somehow all the shrimps began to die off one by one, only one left now and I still don't know the cause, this blows. :wall:
 
Hironobu- How'd you acclimate them? You may want to create a new thread if you want help finding the cause since this one is fairly old.

Welcome to AC! :)
 
Hmm.. Mysterious deaths..It can't be in the Eco-Complete. I have a bag of it. On the bag there is NO copper listed in the minerals. It can't be the substrate. I have shrimp living on Eco-Complete right now! They LOVE the microorganisms and can stay on one piece of gravel for about a minute :)
 
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