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mic_1011

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yonkers n.y.
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just checked parameters.
ammonia 0
nitrite 0
nitrate 120!!

what would cause nitrates to spike like that? i do water changes regularly. last one was 2 weeks ago about 30-40 gal
 
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have you medicated the tank at all?

Did anything else die or something that you have seen in a while that possible could be dead in the tank?

How long have you had him?

Have you added any new fish, corals or inverts to the system?

Any anemones?

Any fish that disturb the sand bed and if so, how deep is your sand bed?
 

mic_1011

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Location
yonkers n.y.
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i had cupramine in the tank about 6-8 weeks ago

there's a small coris wrasse missing but he does that every once in a while

i had the regal since january

no new fish

2 anemones gbt rbt

3 wrasses sleep in sand bed about 2-3 inch

salinity is 1.020 plastic

temp is ~78
 
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just double check your salinity with someone's refractometer to be sure it isn't way off.

Cupramine would have killed any and all bristleworms and pods and anything else that may have been alive as far as inverts in the sand bed, rock and throughout the tank provided that they were there before you used cupramine. Your spike could be coming from the dead inverts.

January to now isn't a very long time. It could have just been the luck of the draw. Unfortunately we have no idea how the fish was caught (netted, stunned with cyanide) and sometimes all of the stops along the way that a fish takes in being caught, the diver putting it a container (by itself or jammed with too many fish into too small of a space, kept at the correct temps or left in the sun, stressing in daylight or kept calm in the dark) ..... brought to a wholesaler, shipped overseas (flight ran late....48hrs or more before being taken out of the bag being seriously deprived of oxygen), over medicated in a wholesale or retail enviroment all play a part. Sometimes you can do everything right, and still end up with a dead fish.

Did you QT the fish when you brought it home?
 
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3 wrasses sleep in sand bed about 2-3 inch

wrasses won't disturb the sand bed all that badly.

2-3" for a sand bed is sometimes a pretty contraversial topic. Some swear it should be deep. Some say it should be shallow (under 1.5".) Some say barebottom is the best way to go.

Do some research and you do what makes the most sense for you.
 
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I can't help you out as far as your regal is concerned but hopefully you can figure out what caused the spike to make sure you don't lose anything else.

Water change would probably be best and vacuum out the sand bed but nothing more than an inch deep. You can try taking it down a little bit at a time. Do a significant WC tonight and smaller ones everyday for a week and see where your nitrates are next weekend.

A last ditch effort for your regal....

Make a new batch of fresh saltwater and match the temp and salinity. Throw him into it. It won't be cycled water BUT it will be free of nitrates or at least a safe amount of them. Put in an airstone and take 5-10 pounds of live rock and place it in there to help out the cycling. See how he looks in the morning. You may need to put a heater in there. Acclimating him to the new water is up to u but don't put too much of your tank water if any at all into the new water.
 
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ZephNYC

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Location
Manhattan
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maybe a small fish passed away and you didnt notice = raise in nitarates.
If the regal is still alive give it a fresh water bath for 20 minutes.
 

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