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Old 07-14-2018, 01:28 AM   #1
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Invert deaths

I canít seem to keep any inverts alive in one tank. I had one shrimp that lasted a week. The snails die within a day. I tested for copper thereís nothing. The tank is newish but all the tests for ammonia keep coming up with nothing. I do have some plants in there that didnít do well. Could they be causing spikes that are killing them? I have fish in there that seem to be doing ok.
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Old 07-15-2018, 10:41 AM   #2
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I suspect heavy metals. I had a similar problem. It was the substrate. I wasnít seeing anything on my copper or iron tests. But they symptoms were there.
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Old 07-15-2018, 05:33 PM   #3
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What substrate are you using?
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Old 07-15-2018, 06:33 PM   #4
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Substrate is fluval plant/shrimp stratum and Tahitian moon sand
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Old 07-15-2018, 08:59 PM   #5
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Tahitian Moon Sand is what killed every invert in my tank
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Old 07-15-2018, 08:59 PM   #6
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I pulled it all out and replaced it with quartz PFS and now everything is good.
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Old 07-16-2018, 02:33 AM   #7
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There are some pest killing stuff some importers use so there are no hitchhikers. It is possible could be some residue and you will never know what it is, was. Perhaps making it a killer for inverts but no big deal for fish?!?

Also some substrate issues as Tmaier mentioned. Black diamond type Blasting sand too.
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Old 07-16-2018, 04:30 AM   #8
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I have the same sand in another tank with Amano shrimp and some sort of snails that hitchhiked in. Though I recently added a few more amanos and most of those died. But they were smaller. Could the size of the shrimp make a difference? Would smaller ones be more sensitive?
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Old 07-16-2018, 10:25 PM   #9
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Iíve never had size issues.
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Old 07-17-2018, 07:59 AM   #10
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Regarding size, usually juveniles (for most shrimp in general) do better for shipping and adjusting to new water conditions.
Amanos are pretty tough. In my planted tank, mine had gone through bouts of hydrogen peroxide dosing, erythromycin treatments (for Cyanobacteria), and daily pH swings of +1.0.
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