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Huddled in corner

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So I have a handful of cherry shrimp in their own planted shrimpy tank. I did a water change yesterday after removing a piece of cholla wood. I had boiled that but it clouded the water and had this thick slime stuff all over it. Ammonia was .50 before the change and is now at .25 and all other parameters are what they were before the change. No nitrates/nitrites too. I used the drip method to refill the tank over the course of 3 hours.There was enough water in there for the heater and filter to still run so it shouldn't be anything to do with that.


Before the change they were grazing on java moss and moving around normally. Now they've all been huddled in the bottom corner since last night, so about 12 hours. Lights off and room quiet. Not sure why. No one is near the surface doing that poking their head out of the water thing.


I put some food in to see if it will draw them out while I'm at work. I figured I'd ask you guys for suggestions on what could be going on while I'm not home then, if there's a solid idea, work on that once I'm home.


So, what the heck are they doing?
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Remove heater.


Do large water change and treat water with Prime. There should be 0 Ammonia and 0 Nitrates in the tank. If there's still a presence of either in another day or two, do another water change.


Make sure that the water you are using is free of both.
 

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I can't say that either foods are ideal as a primary diet (too much protein, and one can turn shrimp funky colors!), but all I can suggest is to keep up on the water changes...

Just thinking back when I had shrimp acting similar. Ended up losing many, including an entire colony. (only because they got hit twice by whatever contaminated the air!). Maybe even try increasing oxygen in the tank?
 

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Yes, water changes can trigger molting.


What has worked for me is to feed a vegetable/algae based diet twice a week (I use Ken's Fish veggie sticks - but actual veggies or other vegetable/algae based foods work too!) and a protein food once a week. (tend to vary this). It could be fish flakes, frozen food or something else. I have the Fluval food somewhere... and I don't feed it. When I did, I had yellow shrimp and it turned them green. It does make red shrimp redder at least.... however, that could pose an issue when you are trying to breed well colored shrimp and they aren't the 'right' color...

Many of the "algae pellets" are actually algae infused, not algae based...


I hoe you don't have any more losses and they recover.
 
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