Losing shrimp

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Improperbeard

AC Members
Apr 30, 2020
41
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Hi, so I've had a couple large caridina shrimp pass away last week, after a 30 percent water change (I usually go less but this was after a big moss prune). They were larger so it could have been age, but I suspect copper poisoning, as I had used some hot water to temper my refill water. I'm purchasing a copper test kit, and potentially an r.o. unit if it is copper.

I have a lot of missing shrimp. Two large amanos, and Six small ones. I was able to capture a picture of a shrimp and it looks like this ( see below ).

Are they this color because of what they're eating or is this indicative of poisoning?

Temp 76
Ph 7
Ammonia 0
nitrite 0
Nitrate 20 (heavily planted tank)
GH and kh are on the lower spectrum, so I'm buying shrimp minerals and will introduce it slowly. Don't have the exact reading but it's the second lowest color on the strips.

IMG_20200702_080909.jpg

IMG_20200702_080822.jpg
 
Last edited:

the loach

AC Members
Aug 6, 2018
1,599
832
120
I'm sorry to hear you lost so many shrimp. They can change color, and it can depend on circumstances, from the pictures they seem fine to me.
Lack of minerals in the water can be a problem, then they can't mould properly and die. The test could reveal if copper was the problem. The shrimp minerals are a good idea if your water is very soft.
 
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