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Old 06-16-2013, 04:11 PM   #1
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Marine velvet

Hi all. I'm new to this site and also new to this marine keeping game. Just need advice. My water parameters are 0 nitrate and ammonia. Ph is around 7.5. I have uv steriliser. Water at 1.025 salinity and a kh of about 13. 90 gallon tank and I can't get my fish to survive. I have had some that have survived the outbreak but all my new fish seem to last about a week. Except for my Achilles tang who died of hunger Any help would be greatly appreciated.
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Old 06-16-2013, 04:15 PM   #2
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Originally Posted by Bazza7 View Post
Hi all. I'm new to this site and also new to this marine keeping game. Just need advice. My water parameters are 0 nitrate and ammonia. Ph is around 7.5. I have uv steriliser. Water at 1.025 salinity and a kh of about 13. 90 gallon tank and I can't get my fish to survive. I have had some that have survived the outbreak but all my new fish seem to last about a week. Except for my Achilles tang who died of hunger Any help would be greatly appreciated.
Okay, let's start with water parameters and acclimation procedures.

What kind of water do you make your saltwater from?

Are you sure on the parameters? Kh is pretty high for such a low Ph.

How do you acclimate and what do you feed?

Why do you think it's MV?
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Old 06-16-2013, 04:18 PM   #3
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I use ro water and I feed mainly mysis frozen shrimp and algae pellets.
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Old 06-16-2013, 04:20 PM   #4
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Small specks on fish and die within days . Stop feeding then next day dead
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Old 06-16-2013, 04:22 PM   #5
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Okay. Curious as to how Kh got so high. Do you add buffer? Or anything else? Is top open for good gas exchange? Is there a sump?

Sorry for all the questions. If you have MV, then there is a prescribed method you need to go thru that requires quarantine of the fish in copper. About the only sure treatment for MV.
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Old 06-16-2013, 04:22 PM   #6
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Small sand like spots appear one day. Then they stop feeding then dead the next. Very swift and brutal
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Old 06-16-2013, 04:24 PM   #7
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Yes large sump. I added buffer to get kh up as stockist said kh of 9 was too low so I upped it. And ph is probably nearer 8
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Old 06-16-2013, 04:25 PM   #8
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Top is not open. Lidded but air escape in glass corners
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Old 06-16-2013, 04:27 PM   #9
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We need to be sure stress or water quality isn't lowering the fishes immune system, opening them up to parasites. Your UV unit, if working, should be eliminating free swimming parasites, but that's all it can catch.

I suggest some water changes to get the water chemistry on track. If the fish have Ich, then a dip might help, but most of the time they need copper treatment. MV is seen with rapid breathing first as gills are affected. Others on the forum may have additional suggestions, we have all dealt with it.

Kh of 9 is about right. Mine runs from 8-10. You're a bit high. Stop the buffers. Make some water changes.
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Old 06-16-2013, 04:30 PM   #10
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I quarantined my fish a few months ago for 36 days. Treated them with copper then put them back. All was fine until I added more fish (1 at a time). Also my corals only ever seem to be half ok. So hard to get things right.
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