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fish dying.. no idea why.


FishOnTheBrainCoral

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FishOnTheBrainCoral

Ok. So I have been reefing for years now with no major problems that I can figure out. One of my tanks fairly new.. 1 1/2 years old I can't seem to add new fish without them dying. PH 8.2 sg 1.025 zero ammonia nitrite nitrate and phosphate . I know I must have a bit of nitrate and or phosphate because I have a bit of hair algae I fighting but nothing I haven't felt with with any other young tank. I have 3 blue chromis I have had since nearly the start. However I add any new fish and they get weak and die not long after going in.

 

Recently my two striped rabbit that was picking at the rocks from the moment he went in tank stopped eating about day 2 and is now having a hard time getting around and about to die. No signs of infection ich or anything. Just got skinny and weak real fast.

 

Also added same time was a lawnmower blenny. Looks OK but not active and very little eating.

 

All coral are happy and growing.. blue chromis couldn't be happier. I checked my voltage in tank as suggested by LFS and it at .3..

 

This happened about 6 MO ago when I tried to add a dwarf angle. I lost for ideas. All rock I have had for years in various tanks with no I'll effects. Any ideas?

 

The current tank is a 54 corner.

Sorry about spelling ect.. on the go.

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All I can think of is:

 

Contaminant: maybe try PolyFilter and see if you get a color out of it.

 

Electrical issue: some kind of current in the tank stressing and killing fish.

 

Bad test kit or refractometer: Something appears ok but test is bad and not showing the problem.

 

Good luck!

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FishOnTheBrainCoral

Hmmm. Nickel is interesting. I'll have to look that one up. Only metal period I can think of is the pump on skimmer. The main pump is ceramic I belive.

 

I always check salinity with two different float gizmos that I regularly check at my LFS For accuracy. And as far as my other tank pH and all that test the same and have no problems in it.....EVER.. I'm afraid to put the fish in a perfectly good tank and transfer anything..

 

The only thing in my tank that has not been used in past tanks I have had Is the return pump. It is a 1250 octopus DC controlable.. but again .3 volts doesn't seem like an issue..

No bugs no ich no sores no slime coat issue nothing out of the ordinary visually. The rabbit even goes back and forth camo.

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